diff options
128 files changed, 440 insertions, 440 deletions
diff --git a/src/libproc_macro/bridge/scoped_cell.rs b/src/libproc_macro/bridge/scoped_cell.rs index 6f7965095b6..89fb7070015 100644 --- a/src/libproc_macro/bridge/scoped_cell.rs +++ b/src/libproc_macro/bridge/scoped_cell.rs @@ -74,7 +74,7 @@ impl<T: LambdaL> ScopedCell<T> { } /// Sets the value in `self` to `value` while running `f`. - pub fn set<'a, R>(&self, value: <T as ApplyL<'a>>::Out, f: impl FnOnce() -> R) -> R { + pub fn set<R>(&self, value: <T as ApplyL<'_>>::Out, f: impl FnOnce() -> R) -> R { self.replace(value, |_| f()) } } diff --git a/src/librustc/cfg/construct.rs b/src/librustc/cfg/construct.rs index 403e2f02f05..a132575b0c6 100644 --- a/src/librustc/cfg/construct.rs +++ b/src/librustc/cfg/construct.rs @@ -30,7 +30,7 @@ struct LoopScope { break_index: CFGIndex, // where to go on a `break` } -pub fn construct<'tcx>(tcx: TyCtxt<'tcx>, body: &hir::Body) -> CFG { +pub fn construct(tcx: TyCtxt<'_>, body: &hir::Body) -> CFG { let mut graph = graph::Graph::new(); let entry = graph.add_node(CFGNodeData::Entry); diff --git a/src/librustc/cfg/mod.rs b/src/librustc/cfg/mod.rs index db168d99a08..88fc7fbfad5 100644 --- a/src/librustc/cfg/mod.rs +++ b/src/librustc/cfg/mod.rs @@ -49,7 +49,7 @@ pub type CFGNode = graph::Node<CFGNodeData>; pub type CFGEdge = graph::Edge<CFGEdgeData>; impl CFG { - pub fn new<'tcx>(tcx: TyCtxt<'tcx>, body: &hir::Body) -> CFG { + pub fn new(tcx: TyCtxt<'_>, body: &hir::Body) -> CFG { construct::construct(tcx, body) } diff --git a/src/librustc/dep_graph/graph.rs b/src/librustc/dep_graph/graph.rs index 93c22c3e713..b8c6c1e3723 100644 --- a/src/librustc/dep_graph/graph.rs +++ b/src/librustc/dep_graph/graph.rs @@ -841,7 +841,7 @@ impl DepGraph { // // This method will only load queries that will end up in the disk cache. // Other queries will not be executed. - pub fn exec_cache_promotions<'tcx>(&self, tcx: TyCtxt<'tcx>) { + pub fn exec_cache_promotions(&self, tcx: TyCtxt<'_>) { let data = self.data.as_ref().unwrap(); for prev_index in data.colors.values.indices() { match data.colors.get(prev_index) { diff --git a/src/librustc/hir/check_attr.rs b/src/librustc/hir/check_attr.rs index 4b84d56858c..9160b8024ee 100644 --- a/src/librustc/hir/check_attr.rs +++ b/src/librustc/hir/check_attr.rs @@ -347,7 +347,7 @@ fn is_c_like_enum(item: &hir::Item) -> bool { } } -fn check_mod_attrs<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_attrs(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module( module_def_id, &mut CheckAttrVisitor { tcx }.as_deep_visitor() diff --git a/src/librustc/hir/map/hir_id_validator.rs b/src/librustc/hir/map/hir_id_validator.rs index 60465c04ec6..891a1956bc9 100644 --- a/src/librustc/hir/map/hir_id_validator.rs +++ b/src/librustc/hir/map/hir_id_validator.rs @@ -4,7 +4,7 @@ use crate::hir::itemlikevisit::ItemLikeVisitor; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::sync::{Lock, ParallelIterator, par_iter}; -pub fn check_crate<'hir>(hir_map: &hir::map::Map<'hir>) { +pub fn check_crate(hir_map: &hir::map::Map<'_>) { hir_map.dep_graph.assert_ignored(); let errors = Lock::new(Vec::new()); diff --git a/src/librustc/hir/map/mod.rs b/src/librustc/hir/map/mod.rs index 3d591c9a1c6..037d04a5d8e 100644 --- a/src/librustc/hir/map/mod.rs +++ b/src/librustc/hir/map/mod.rs @@ -147,7 +147,7 @@ impl Forest { } } - pub fn krate<'hir>(&'hir self) -> &'hir Crate { + pub fn krate(&self) -> &Crate { self.dep_graph.read(DepNode::new_no_params(DepKind::Krate)); &self.krate } @@ -155,7 +155,7 @@ impl Forest { /// This is used internally in the dependency tracking system. /// Use the `krate` method to ensure your dependency on the /// crate is tracked. - pub fn untracked_krate<'hir>(&'hir self) -> &'hir Crate { + pub fn untracked_krate(&self) -> &Crate { &self.krate } } @@ -1085,7 +1085,7 @@ impl<'a> NodesMatchingSuffix<'a> { // If `id` itself is a mod named `m` with parent `p`, then // returns `Some(id, m, p)`. If `id` has no mod in its parent // chain, then returns `None`. - fn find_first_mod_parent<'a>(map: &'a Map<'_>, mut id: HirId) -> Option<(HirId, Name)> { + fn find_first_mod_parent(map: &Map<'_>, mut id: HirId) -> Option<(HirId, Name)> { loop { if let Node::Item(item) = map.find(id)? { if item_is_mod(&item) { diff --git a/src/librustc/infer/type_variable.rs b/src/librustc/infer/type_variable.rs index dcafb0f3976..e30e86998a8 100644 --- a/src/librustc/infer/type_variable.rs +++ b/src/librustc/infer/type_variable.rs @@ -115,7 +115,7 @@ impl<'tcx> TypeVariableTable<'tcx> { /// /// Note that this function does not return care whether /// `vid` has been unified with something else or not. - pub fn var_diverges<'a>(&'a self, vid: ty::TyVid) -> bool { + pub fn var_diverges(&self, vid: ty::TyVid) -> bool { self.values.get(vid.index as usize).diverging } diff --git a/src/librustc/lint/mod.rs b/src/librustc/lint/mod.rs index 309af4b72c1..59b08b832d2 100644 --- a/src/librustc/lint/mod.rs +++ b/src/librustc/lint/mod.rs @@ -765,7 +765,7 @@ pub fn maybe_lint_level_root(tcx: TyCtxt<'_>, id: hir::HirId) -> bool { attrs.iter().any(|attr| Level::from_symbol(attr.name_or_empty()).is_some()) } -fn lint_levels<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> &'tcx LintLevelMap { +fn lint_levels(tcx: TyCtxt<'_>, cnum: CrateNum) -> &LintLevelMap { assert_eq!(cnum, LOCAL_CRATE); let mut builder = LintLevelMapBuilder { levels: LintLevelSets::builder(tcx.sess), diff --git a/src/librustc/middle/cstore.rs b/src/librustc/middle/cstore.rs index 2e9e1ac582f..5a580dfa420 100644 --- a/src/librustc/middle/cstore.rs +++ b/src/librustc/middle/cstore.rs @@ -211,7 +211,7 @@ pub trait CrateStore { fn crates_untracked(&self) -> Vec<CrateNum>; // utility functions - fn encode_metadata<'tcx>(&self, tcx: TyCtxt<'tcx>) -> EncodedMetadata; + fn encode_metadata(&self, tcx: TyCtxt<'_>) -> EncodedMetadata; fn metadata_encoding_version(&self) -> &[u8]; } diff --git a/src/librustc/middle/dead.rs b/src/librustc/middle/dead.rs index e02ee894360..e1889aa555f 100644 --- a/src/librustc/middle/dead.rs +++ b/src/librustc/middle/dead.rs @@ -26,7 +26,7 @@ use syntax_pos; // explored. For example, if it's a live Node::Item that is a // function, then we should explore its block to check for codes that // may need to be marked as live. -fn should_explore<'tcx>(tcx: TyCtxt<'tcx>, hir_id: hir::HirId) -> bool { +fn should_explore(tcx: TyCtxt<'_>, hir_id: hir::HirId) -> bool { match tcx.hir().find(hir_id) { Some(Node::Item(..)) | Some(Node::ImplItem(..)) | @@ -662,7 +662,7 @@ impl Visitor<'tcx> for DeadVisitor<'tcx> { } } -pub fn check_crate<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_crate(tcx: TyCtxt<'_>) { let access_levels = &tcx.privacy_access_levels(LOCAL_CRATE); let krate = tcx.hir().krate(); let live_symbols = find_live(tcx, access_levels, krate); diff --git a/src/librustc/middle/dependency_format.rs b/src/librustc/middle/dependency_format.rs index 879da6413e2..96b99fe4cdc 100644 --- a/src/librustc/middle/dependency_format.rs +++ b/src/librustc/middle/dependency_format.rs @@ -81,7 +81,7 @@ pub enum Linkage { Dynamic, } -pub fn calculate<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn calculate(tcx: TyCtxt<'_>) { let sess = &tcx.sess; let fmts = sess.crate_types.borrow().iter().map(|&ty| { let linkage = calculate_type(tcx, ty); @@ -92,7 +92,7 @@ pub fn calculate<'tcx>(tcx: TyCtxt<'tcx>) { sess.dependency_formats.set(fmts); } -fn calculate_type<'tcx>(tcx: TyCtxt<'tcx>, ty: config::CrateType) -> DependencyList { +fn calculate_type(tcx: TyCtxt<'_>, ty: config::CrateType) -> DependencyList { let sess = &tcx.sess; if !sess.opts.output_types.should_codegen() { @@ -267,7 +267,7 @@ fn add_library( } } -fn attempt_static<'tcx>(tcx: TyCtxt<'tcx>) -> Option<DependencyList> { +fn attempt_static(tcx: TyCtxt<'_>) -> Option<DependencyList> { let sess = &tcx.sess; let crates = cstore::used_crates(tcx, RequireStatic); if !crates.iter().by_ref().all(|&(_, ref p)| p.is_some()) { @@ -324,7 +324,7 @@ fn activate_injected_dep(injected: Option<CrateNum>, // After the linkage for a crate has been determined we need to verify that // there's only going to be one allocator in the output. -fn verify_ok<'tcx>(tcx: TyCtxt<'tcx>, list: &[Linkage]) { +fn verify_ok(tcx: TyCtxt<'_>, list: &[Linkage]) { let sess = &tcx.sess; if list.len() == 0 { return diff --git a/src/librustc/middle/intrinsicck.rs b/src/librustc/middle/intrinsicck.rs index e8d68e0b7a7..1cc96c549e7 100644 --- a/src/librustc/middle/intrinsicck.rs +++ b/src/librustc/middle/intrinsicck.rs @@ -10,7 +10,7 @@ use syntax_pos::{Span, sym}; use crate::hir::intravisit::{self, Visitor, NestedVisitorMap}; use crate::hir; -fn check_mod_intrinsics<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_intrinsics(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module( module_def_id, &mut ItemVisitor { tcx }.as_deep_visitor() diff --git a/src/librustc/middle/lib_features.rs b/src/librustc/middle/lib_features.rs index 9c131ce6342..694b0a98629 100644 --- a/src/librustc/middle/lib_features.rs +++ b/src/librustc/middle/lib_features.rs @@ -142,7 +142,7 @@ impl Visitor<'tcx> for LibFeatureCollector<'tcx> { } } -pub fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> LibFeatures { +pub fn collect(tcx: TyCtxt<'_>) -> LibFeatures { let mut collector = LibFeatureCollector::new(tcx); intravisit::walk_crate(&mut collector, tcx.hir().krate()); collector.lib_features diff --git a/src/librustc/middle/liveness.rs b/src/librustc/middle/liveness.rs index 464bc4fd6df..30ff835bdcc 100644 --- a/src/librustc/middle/liveness.rs +++ b/src/librustc/middle/liveness.rs @@ -181,7 +181,7 @@ impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> { fn visit_arm(&mut self, a: &'tcx hir::Arm) { visit_arm(self, a); } } -fn check_mod_liveness<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_liveness(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module( module_def_id, &mut IrMaps::new(tcx, module_def_id).as_deep_visitor(), diff --git a/src/librustc/middle/reachable.rs b/src/librustc/middle/reachable.rs index d607c35f876..6b26be34d75 100644 --- a/src/librustc/middle/reachable.rs +++ b/src/librustc/middle/reachable.rs @@ -42,8 +42,8 @@ fn item_might_be_inlined(tcx: TyCtxt<'tcx>, item: &hir::Item, attrs: CodegenFnAt } } -fn method_might_be_inlined<'tcx>( - tcx: TyCtxt<'tcx>, +fn method_might_be_inlined( + tcx: TyCtxt<'_>, impl_item: &hir::ImplItem, impl_src: DefId, ) -> bool { @@ -391,7 +391,7 @@ impl<'a, 'tcx> ItemLikeVisitor<'tcx> for CollectPrivateImplItemsVisitor<'a, 'tcx #[derive(Clone, HashStable)] pub struct ReachableSet(pub Lrc<HirIdSet>); -fn reachable_set<'tcx>(tcx: TyCtxt<'tcx>, crate_num: CrateNum) -> ReachableSet { +fn reachable_set(tcx: TyCtxt<'_>, crate_num: CrateNum) -> ReachableSet { debug_assert!(crate_num == LOCAL_CRATE); let access_levels = &tcx.privacy_access_levels(LOCAL_CRATE); diff --git a/src/librustc/middle/region.rs b/src/librustc/middle/region.rs index 114684b1524..67a4c2981a7 100644 --- a/src/librustc/middle/region.rs +++ b/src/librustc/middle/region.rs @@ -1446,7 +1446,7 @@ impl<'tcx> Visitor<'tcx> for RegionResolutionVisitor<'tcx> { } } -fn region_scope_tree<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ScopeTree { +fn region_scope_tree(tcx: TyCtxt<'_>, def_id: DefId) -> &ScopeTree { let closure_base_def_id = tcx.closure_base_def_id(def_id); if closure_base_def_id != def_id { return tcx.region_scope_tree(closure_base_def_id); diff --git a/src/librustc/middle/resolve_lifetime.rs b/src/librustc/middle/resolve_lifetime.rs index c94893d8b75..7776f38f538 100644 --- a/src/librustc/middle/resolve_lifetime.rs +++ b/src/librustc/middle/resolve_lifetime.rs @@ -368,7 +368,7 @@ pub fn provide(providers: &mut ty::query::Providers<'_>) { /// entire crate. You should not read the result of this query /// directly, but rather use `named_region_map`, `is_late_bound_map`, /// etc. -fn resolve_lifetimes<'tcx>(tcx: TyCtxt<'tcx>, for_krate: CrateNum) -> &'tcx ResolveLifetimes { +fn resolve_lifetimes(tcx: TyCtxt<'_>, for_krate: CrateNum) -> &ResolveLifetimes { assert_eq!(for_krate, LOCAL_CRATE); let named_region_map = krate(tcx); @@ -395,7 +395,7 @@ fn resolve_lifetimes<'tcx>(tcx: TyCtxt<'tcx>, for_krate: CrateNum) -> &'tcx Reso tcx.arena.alloc(rl) } -fn krate<'tcx>(tcx: TyCtxt<'tcx>) -> NamedRegionMap { +fn krate(tcx: TyCtxt<'_>) -> NamedRegionMap { let krate = tcx.hir().krate(); let mut map = NamedRegionMap { defs: Default::default(), diff --git a/src/librustc/middle/stability.rs b/src/librustc/middle/stability.rs index 38df4060652..101563d2d99 100644 --- a/src/librustc/middle/stability.rs +++ b/src/librustc/middle/stability.rs @@ -466,7 +466,7 @@ impl<'tcx> Index<'tcx> { /// Cross-references the feature names of unstable APIs with enabled /// features and possibly prints errors. -fn check_mod_unstable_api_usage<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_unstable_api_usage(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module(module_def_id, &mut Checker { tcx }.as_deep_visitor()); } @@ -836,7 +836,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Given the list of enabled features that were not language features (i.e., that /// were expected to be library features), and the list of features used from /// libraries, identify activated features that don't exist and error about them. -pub fn check_unused_or_stable_features<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_unused_or_stable_features(tcx: TyCtxt<'_>) { let access_levels = &tcx.privacy_access_levels(LOCAL_CRATE); if tcx.stability().staged_api[&LOCAL_CRATE] { @@ -920,8 +920,8 @@ pub fn check_unused_or_stable_features<'tcx>(tcx: TyCtxt<'tcx>) { // don't lint about unused features. We should reenable this one day! } -fn unnecessary_stable_feature_lint<'tcx>( - tcx: TyCtxt<'tcx>, +fn unnecessary_stable_feature_lint( + tcx: TyCtxt<'_>, span: Span, feature: Symbol, since: Symbol, diff --git a/src/librustc/mir/mod.rs b/src/librustc/mir/mod.rs index 9b1808c585c..59a032d53cf 100644 --- a/src/librustc/mir/mod.rs +++ b/src/librustc/mir/mod.rs @@ -2867,19 +2867,19 @@ impl<'tcx> graph::WithStartNode for Body<'tcx> { } impl<'tcx> graph::WithPredecessors for Body<'tcx> { - fn predecessors<'graph>( - &'graph self, + fn predecessors( + &self, node: Self::Node, - ) -> <Self as GraphPredecessors<'graph>>::Iter { + ) -> <Self as GraphPredecessors<'_>>::Iter { self.predecessors_for(node).clone().into_iter() } } impl<'tcx> graph::WithSuccessors for Body<'tcx> { - fn successors<'graph>( - &'graph self, + fn successors( + &self, node: Self::Node, - ) -> <Self as GraphSuccessors<'graph>>::Iter { + ) -> <Self as GraphSuccessors<'_>>::Iter { self.basic_blocks[node].terminator().successors().cloned() } } diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs index 9f033262850..82c53be3ec7 100644 --- a/src/librustc/session/config.rs +++ b/src/librustc/session/config.rs @@ -269,11 +269,11 @@ impl OutputTypes { self.0.contains_key(key) } - pub fn keys<'a>(&'a self) -> BTreeMapKeysIter<'a, OutputType, Option<PathBuf>> { + pub fn keys(&self) -> BTreeMapKeysIter<'_, OutputType, Option<PathBuf>> { self.0.keys() } - pub fn values<'a>(&'a self) -> BTreeMapValuesIter<'a, OutputType, Option<PathBuf>> { + pub fn values(&self) -> BTreeMapValuesIter<'_, OutputType, Option<PathBuf>> { self.0.values() } @@ -316,7 +316,7 @@ impl Externs { self.0.get(key) } - pub fn iter<'a>(&'a self) -> BTreeMapIter<'a, String, ExternEntry> { + pub fn iter(&self) -> BTreeMapIter<'_, String, ExternEntry> { self.0.iter() } } diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs index 9486f353b3f..3cbf0ee213a 100644 --- a/src/librustc/session/mod.rs +++ b/src/librustc/session/mod.rs @@ -215,66 +215,66 @@ impl Session { *self.crate_disambiguator.get() } - pub fn struct_span_warn<'a, S: Into<MultiSpan>>( - &'a self, + pub fn struct_span_warn<S: Into<MultiSpan>>( + &self, sp: S, msg: &str, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_span_warn(sp, msg) } - pub fn struct_span_warn_with_code<'a, S: Into<MultiSpan>>( - &'a self, + pub fn struct_span_warn_with_code<S: Into<MultiSpan>>( + &self, sp: S, msg: &str, code: DiagnosticId, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_span_warn_with_code(sp, msg, code) } - pub fn struct_warn<'a>(&'a self, msg: &str) -> DiagnosticBuilder<'a> { + pub fn struct_warn(&self, msg: &str) -> DiagnosticBuilder<'_> { self.diagnostic().struct_warn(msg) } - pub fn struct_span_err<'a, S: Into<MultiSpan>>( - &'a self, + pub fn struct_span_err<S: Into<MultiSpan>>( + &self, sp: S, msg: &str, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_span_err(sp, msg) } - pub fn struct_span_err_with_code<'a, S: Into<MultiSpan>>( - &'a self, + pub fn struct_span_err_with_code<S: Into<MultiSpan>>( + &self, sp: S, msg: &str, code: DiagnosticId, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_span_err_with_code(sp, msg, code) } // FIXME: This method should be removed (every error should have an associated error code). - pub fn struct_err<'a>(&'a self, msg: &str) -> DiagnosticBuilder<'a> { + pub fn struct_err(&self, msg: &str) -> DiagnosticBuilder<'_> { self.diagnostic().struct_err(msg) } - pub fn struct_err_with_code<'a>( - &'a self, + pub fn struct_err_with_code( + &self, msg: &str, code: DiagnosticId, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_err_with_code(msg, code) } - pub fn struct_span_fatal<'a, S: Into<MultiSpan>>( - &'a self, + pub fn struct_span_fatal<S: Into<MultiSpan>>( + &self, sp: S, msg: &str, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_span_fatal(sp, msg) } - pub fn struct_span_fatal_with_code<'a, S: Into<MultiSpan>>( - &'a self, + pub fn struct_span_fatal_with_code<S: Into<MultiSpan>>( + &self, sp: S, msg: &str, code: DiagnosticId, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { self.diagnostic().struct_span_fatal_with_code(sp, msg, code) } - pub fn struct_fatal<'a>(&'a self, msg: &str) -> DiagnosticBuilder<'a> { + pub fn struct_fatal(&self, msg: &str) -> DiagnosticBuilder<'_> { self.diagnostic().struct_fatal(msg) } @@ -416,7 +416,7 @@ impl Session { pub fn next_node_id(&self) -> NodeId { self.reserve_node_ids(1) } - pub fn diagnostic<'a>(&'a self) -> &'a errors::Handler { + pub fn diagnostic(&self) -> &errors::Handler { &self.parse_sess.span_diagnostic } @@ -504,7 +504,7 @@ impl Session { ); } - pub fn source_map<'a>(&'a self) -> &'a source_map::SourceMap { + pub fn source_map(&self) -> &source_map::SourceMap { self.parse_sess.source_map() } pub fn verbose(&self) -> bool { diff --git a/src/librustc/traits/coherence.rs b/src/librustc/traits/coherence.rs index d8087af60ac..b6f0addd771 100644 --- a/src/librustc/traits/coherence.rs +++ b/src/librustc/traits/coherence.rs @@ -48,8 +48,8 @@ pub fn add_placeholder_note(err: &mut errors::DiagnosticBuilder<'_>) { /// If there are types that satisfy both impls, invokes `on_overlap` /// with a suitably-freshened `ImplHeader` with those types /// substituted. Otherwise, invokes `no_overlap`. -pub fn overlapping_impls<'tcx, F1, F2, R>( - tcx: TyCtxt<'tcx>, +pub fn overlapping_impls<F1, F2, R>( + tcx: TyCtxt<'_>, impl1_def_id: DefId, impl2_def_id: DefId, intercrate_mode: IntercrateMode, @@ -247,10 +247,10 @@ pub enum OrphanCheckErr<'tcx> { /// /// 1. All type parameters in `Self` must be "covered" by some local type constructor. /// 2. Some local type must appear in `Self`. -pub fn orphan_check<'tcx>( - tcx: TyCtxt<'tcx>, +pub fn orphan_check( + tcx: TyCtxt<'_>, impl_def_id: DefId, -) -> Result<(), OrphanCheckErr<'tcx>> { +) -> Result<(), OrphanCheckErr<'_>> { debug!("orphan_check({:?})", impl_def_id); // We only except this routine to be invoked on implementations diff --git a/src/librustc/traits/error_reporting.rs b/src/librustc/traits/error_reporting.rs index f54575ff8fc..d6cc68bcdab 100644 --- a/src/librustc/traits/error_reporting.rs +++ b/src/librustc/traits/error_reporting.rs @@ -247,7 +247,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { fn fuzzy_match_tys(&self, a: Ty<'tcx>, b: Ty<'tcx>) -> bool { /// returns the fuzzy category of a given type, or None /// if the type can be equated to any type. - fn type_category<'tcx>(t: Ty<'tcx>) -> Option<u32> { + fn type_category(t: Ty<'_>) -> Option<u32> { match t.sty { ty::Bool => Some(0), ty::Char => Some(1), diff --git a/src/librustc/traits/object_safety.rs b/src/librustc/traits/object_safety.rs index cfd5cfa897d..37eff852abd 100644 --- a/src/librustc/traits/object_safety.rs +++ b/src/librustc/traits/object_safety.rs @@ -702,6 +702,6 @@ impl<'tcx> TyCtxt<'tcx> { } } -pub(super) fn is_object_safe_provider<'tcx>(tcx: TyCtxt<'tcx>, trait_def_id: DefId) -> bool { +pub(super) fn is_object_safe_provider(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { tcx.object_safety_violations(trait_def_id).is_empty() } diff --git a/src/librustc/traits/project.rs b/src/librustc/traits/project.rs index 8bd8f941fb3..20acf443406 100644 --- a/src/librustc/traits/project.rs +++ b/src/librustc/traits/project.rs @@ -1509,8 +1509,8 @@ fn confirm_impl_candidate<'cx, 'tcx>( /// /// Based on the "projection mode", this lookup may in fact only examine the /// topmost impl. See the comments for `Reveal` for more details. -fn assoc_ty_def<'cx, 'tcx>( - selcx: &SelectionContext<'cx, 'tcx>, +fn assoc_ty_def( + selcx: &SelectionContext<'_, '_>, impl_def_id: DefId, assoc_ty_def_id: DefId, ) -> specialization_graph::NodeItem<ty::AssocItem> { diff --git a/src/librustc/traits/specialize/mod.rs b/src/librustc/traits/specialize/mod.rs index 43bb4edd9b2..f0389bb037a 100644 --- a/src/librustc/traits/specialize/mod.rs +++ b/src/librustc/traits/specialize/mod.rs @@ -145,8 +145,8 @@ pub fn find_associated_item<'tcx>( /// Specialization is determined by the sets of types to which the impls apply; /// `impl1` specializes `impl2` if it applies to a subset of the types `impl2` applies /// to. -pub(super) fn specializes<'tcx>( - tcx: TyCtxt<'tcx>, +pub(super) fn specializes( + tcx: TyCtxt<'_>, (impl1_def_id, impl2_def_id): (DefId, DefId), ) -> bool { debug!("specializes({:?}, {:?})", impl1_def_id, impl2_def_id); @@ -282,10 +282,10 @@ fn fulfill_implication<'a, 'tcx>( } // Query provider for `specialization_graph_of`. -pub(super) fn specialization_graph_provider<'tcx>( - tcx: TyCtxt<'tcx>, +pub(super) fn specialization_graph_provider( + tcx: TyCtxt<'_>, trait_id: DefId, -) -> &'tcx specialization_graph::Graph { +) -> &specialization_graph::Graph { let mut sg = specialization_graph::Graph::new(); let mut trait_impls = tcx.all_impls(trait_id); diff --git a/src/librustc/traits/util.rs b/src/librustc/traits/util.rs index 2d295679be3..07d6f633143 100644 --- a/src/librustc/traits/util.rs +++ b/src/librustc/traits/util.rs @@ -417,7 +417,7 @@ pub struct SupertraitDefIds<'tcx> { visited: FxHashSet<DefId>, } -pub fn supertrait_def_ids<'tcx>(tcx: TyCtxt<'tcx>, trait_def_id: DefId) -> SupertraitDefIds<'tcx> { +pub fn supertrait_def_ids(tcx: TyCtxt<'_>, trait_def_id: DefId) -> SupertraitDefIds<'_> { SupertraitDefIds { tcx, stack: vec![trait_def_id], diff --git a/src/librustc/ty/query/on_disk_cache.rs b/src/librustc/ty/query/on_disk_cache.rs index 8b2183c42ef..85153f99b19 100644 --- a/src/librustc/ty/query/on_disk_cache.rs +++ b/src/librustc/ty/query/on_disk_cache.rs @@ -306,9 +306,9 @@ impl<'sess> OnDiskCache<'sess> { } /// Loads a diagnostic emitted during the previous compilation session. - pub fn load_diagnostics<'tcx>( + pub fn load_diagnostics( &self, - tcx: TyCtxt<'tcx>, + tcx: TyCtxt<'_>, dep_node_index: SerializedDepNodeIndex, ) -> Vec<Diagnostic> { let diagnostics: Option<EncodedDiagnostics> = self.load_indexed( @@ -335,9 +335,9 @@ impl<'sess> OnDiskCache<'sess> { /// Returns the cached query result if there is something in the cache for /// the given `SerializedDepNodeIndex`; otherwise returns `None`. - pub fn try_load_query_result<'tcx, T>( + pub fn try_load_query_result<T>( &self, - tcx: TyCtxt<'tcx>, + tcx: TyCtxt<'_>, dep_node_index: SerializedDepNodeIndex, ) -> Option<T> where diff --git a/src/librustc/ty/query/plumbing.rs b/src/librustc/ty/query/plumbing.rs index 5a7d106700a..0c9e31e1ff2 100644 --- a/src/librustc/ty/query/plumbing.rs +++ b/src/librustc/ty/query/plumbing.rs @@ -1166,7 +1166,7 @@ macro_rules! define_provider_struct { /// then `force_from_dep_node()` should not fail for it. Otherwise, you can just /// add it to the "We don't have enough information to reconstruct..." group in /// the match below. -pub fn force_from_dep_node<'tcx>(tcx: TyCtxt<'tcx>, dep_node: &DepNode) -> bool { +pub fn force_from_dep_node(tcx: TyCtxt<'_>, dep_node: &DepNode) -> bool { use crate::dep_graph::RecoverKey; // We must avoid ever having to call force_from_dep_node() for a diff --git a/src/librustc_borrowck/borrowck/check_loans.rs b/src/librustc_borrowck/borrowck/check_loans.rs index 714b7c27200..a098cd17612 100644 --- a/src/librustc_borrowck/borrowck/check_loans.rs +++ b/src/librustc_borrowck/borrowck/check_loans.rs @@ -354,7 +354,7 @@ impl<'a, 'tcx> CheckLoanCtxt<'a, 'tcx> { cmt: &mc::cmt_<'tcx>, loan_region: ty::Region<'tcx>, borrow_span: Span) { - pub fn borrow_of_local_data<'tcx>(cmt: &mc::cmt_<'tcx>) -> bool { + pub fn borrow_of_local_data(cmt: &mc::cmt_<'_>) -> bool { match cmt.cat { // Borrows of static items is allowed Categorization::StaticItem => false, diff --git a/src/librustc_borrowck/borrowck/mod.rs b/src/librustc_borrowck/borrowck/mod.rs index 3c7f19f7fbf..8763a6bc066 100644 --- a/src/librustc_borrowck/borrowck/mod.rs +++ b/src/librustc_borrowck/borrowck/mod.rs @@ -53,7 +53,7 @@ pub struct LoanDataFlowOperator; pub type LoanDataFlow<'tcx> = DataFlowContext<'tcx, LoanDataFlowOperator>; -pub fn check_crate<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_crate(tcx: TyCtxt<'_>) { tcx.par_body_owners(|body_owner_def_id| { tcx.ensure().borrowck(body_owner_def_id); }); @@ -73,7 +73,7 @@ pub struct AnalysisData<'tcx> { pub move_data: move_data::FlowedMoveData<'tcx>, } -fn borrowck<'tcx>(tcx: TyCtxt<'tcx>, owner_def_id: DefId) -> &'tcx BorrowCheckResult { +fn borrowck(tcx: TyCtxt<'_>, owner_def_id: DefId) -> &BorrowCheckResult { assert!(tcx.use_ast_borrowck() || tcx.migrate_borrowck()); debug!("borrowck(body_owner_def_id={:?})", owner_def_id); diff --git a/src/librustc_borrowck/dataflow.rs b/src/librustc_borrowck/dataflow.rs index f5d311b35d7..dc7014d22ec 100644 --- a/src/librustc_borrowck/dataflow.rs +++ b/src/librustc_borrowck/dataflow.rs @@ -84,9 +84,9 @@ struct PropagationContext<'a, 'tcx, O> { changed: bool, } -fn get_cfg_indices<'a>(id: hir::ItemLocalId, - index: &'a FxHashMap<hir::ItemLocalId, Vec<CFGIndex>>) - -> &'a [CFGIndex] { +fn get_cfg_indices(id: hir::ItemLocalId, + index: &FxHashMap<hir::ItemLocalId, Vec<CFGIndex>>) + -> &[CFGIndex] { index.get(&id).map_or(&[], |v| &v[..]) } diff --git a/src/librustc_codegen_llvm/back/write.rs b/src/librustc_codegen_llvm/back/write.rs index 3638730707f..b135605cf02 100644 --- a/src/librustc_codegen_llvm/back/write.rs +++ b/src/librustc_codegen_llvm/back/write.rs @@ -239,9 +239,9 @@ impl<'a> Drop for DiagnosticHandlers<'a> { } } -unsafe extern "C" fn report_inline_asm<'a, 'b>(cgcx: &'a CodegenContext<LlvmCodegenBackend>, - msg: &'b str, - cookie: c_uint) { +unsafe extern "C" fn report_inline_asm(cgcx: &CodegenContext<LlvmCodegenBackend>, + msg: &str, + cookie: c_uint) { cgcx.diag_emitter.inline_asm_error(cookie as u32, msg.to_owned()); } diff --git a/src/librustc_codegen_llvm/base.rs b/src/librustc_codegen_llvm/base.rs index 04645dacfec..21c19e167cf 100644 --- a/src/librustc_codegen_llvm/base.rs +++ b/src/librustc_codegen_llvm/base.rs @@ -123,8 +123,8 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'tcx>, cgu_name: InternedString) { submit_codegened_module_to_llvm(&LlvmCodegenBackend(()), tcx, module, cost); - fn module_codegen<'tcx>( - tcx: TyCtxt<'tcx>, + fn module_codegen( + tcx: TyCtxt<'_>, cgu_name: InternedString, ) -> ModuleCodegen<ModuleLlvm> { let cgu = tcx.codegen_unit(cgu_name); diff --git a/src/librustc_codegen_llvm/builder.rs b/src/librustc_codegen_llvm/builder.rs index 0709368ad86..f67c740b777 100644 --- a/src/librustc_codegen_llvm/builder.rs +++ b/src/librustc_codegen_llvm/builder.rs @@ -144,7 +144,7 @@ impl BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { } } - fn build_sibling_block<'b>(&self, name: &'b str) -> Self { + fn build_sibling_block(&self, name: &str) -> Self { Builder::new_block(self.cx, self.llfn(), name) } diff --git a/src/librustc_codegen_llvm/lib.rs b/src/librustc_codegen_llvm/lib.rs index 7283aa95b30..e6630e18165 100644 --- a/src/librustc_codegen_llvm/lib.rs +++ b/src/librustc_codegen_llvm/lib.rs @@ -124,7 +124,7 @@ impl ExtraBackendMethods for LlvmCodegenBackend { ) { unsafe { allocator::codegen(tcx, mods, kind) } } - fn compile_codegen_unit<'tcx>(&self, tcx: TyCtxt<'tcx>, cgu_name: InternedString) { + fn compile_codegen_unit(&self, tcx: TyCtxt<'_>, cgu_name: InternedString) { base::compile_codegen_unit(tcx, cgu_name); } fn target_machine_factory( diff --git a/src/librustc_codegen_ssa/back/symbol_export.rs b/src/librustc_codegen_ssa/back/symbol_export.rs index 3e0f030527f..b64c9a60d97 100644 --- a/src/librustc_codegen_ssa/back/symbol_export.rs +++ b/src/librustc_codegen_ssa/back/symbol_export.rs @@ -46,10 +46,10 @@ pub fn crates_export_threshold(crate_types: &[config::CrateType]) -> SymbolExpor } } -fn reachable_non_generics_provider<'tcx>( - tcx: TyCtxt<'tcx>, +fn reachable_non_generics_provider( + tcx: TyCtxt<'_>, cnum: CrateNum, -) -> &'tcx DefIdMap<SymbolExportLevel> { +) -> &DefIdMap<SymbolExportLevel> { assert_eq!(cnum, LOCAL_CRATE); if !tcx.sess.opts.output_types.should_codegen() { @@ -157,7 +157,7 @@ fn reachable_non_generics_provider<'tcx>( tcx.arena.alloc(reachable_non_generics) } -fn is_reachable_non_generic_provider_local<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn is_reachable_non_generic_provider_local(tcx: TyCtxt<'_>, def_id: DefId) -> bool { let export_threshold = threshold(tcx); if let Some(&level) = tcx.reachable_non_generics(def_id.krate).get(&def_id) { @@ -167,14 +167,14 @@ fn is_reachable_non_generic_provider_local<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefI } } -fn is_reachable_non_generic_provider_extern<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn is_reachable_non_generic_provider_extern(tcx: TyCtxt<'_>, def_id: DefId) -> bool { tcx.reachable_non_generics(def_id.krate).contains_key(&def_id) } -fn exported_symbols_provider_local<'tcx>( - tcx: TyCtxt<'tcx>, +fn exported_symbols_provider_local( + tcx: TyCtxt<'_>, cnum: CrateNum, -) -> Arc<Vec<(ExportedSymbol<'tcx>, SymbolExportLevel)>> { +) -> Arc<Vec<(ExportedSymbol<'_>, SymbolExportLevel)>> { assert_eq!(cnum, LOCAL_CRATE); if !tcx.sess.opts.output_types.should_codegen() { @@ -273,10 +273,10 @@ fn exported_symbols_provider_local<'tcx>( Arc::new(symbols) } -fn upstream_monomorphizations_provider<'tcx>( - tcx: TyCtxt<'tcx>, +fn upstream_monomorphizations_provider( + tcx: TyCtxt<'_>, cnum: CrateNum, -) -> &'tcx DefIdMap<FxHashMap<SubstsRef<'tcx>, CrateNum>> { +) -> &DefIdMap<FxHashMap<SubstsRef<'_>, CrateNum>> { debug_assert!(cnum == LOCAL_CRATE); let cnums = tcx.all_crate_nums(LOCAL_CRATE); @@ -322,10 +322,10 @@ fn upstream_monomorphizations_provider<'tcx>( tcx.arena.alloc(instances) } -fn upstream_monomorphizations_for_provider<'tcx>( - tcx: TyCtxt<'tcx>, +fn upstream_monomorphizations_for_provider( + tcx: TyCtxt<'_>, def_id: DefId, -) -> Option<&'tcx FxHashMap<SubstsRef<'tcx>, CrateNum>> { +) -> Option<&FxHashMap<SubstsRef<'_>, CrateNum>> { debug_assert!(!def_id.is_local()); tcx.upstream_monomorphizations(LOCAL_CRATE).get(&def_id) } diff --git a/src/librustc_codegen_ssa/base.rs b/src/librustc_codegen_ssa/base.rs index 47b383fddbc..d06460fc856 100644 --- a/src/librustc_codegen_ssa/base.rs +++ b/src/librustc_codegen_ssa/base.rs @@ -700,7 +700,7 @@ impl<B: ExtraBackendMethods> Drop for AbortCodegenOnDrop<B> { } } -fn assert_and_save_dep_graph<'tcx>(tcx: TyCtxt<'tcx>) { +fn assert_and_save_dep_graph(tcx: TyCtxt<'_>) { time(tcx.sess, "assert dep graph", || ::rustc_incremental::assert_dep_graph(tcx)); diff --git a/src/librustc_codegen_ssa/debuginfo/mod.rs b/src/librustc_codegen_ssa/debuginfo/mod.rs index d60a2e0cb13..c9b1c0260e8 100644 --- a/src/librustc_codegen_ssa/debuginfo/mod.rs +++ b/src/librustc_codegen_ssa/debuginfo/mod.rs @@ -10,7 +10,7 @@ pub enum FunctionDebugContext<D> { } impl<D> FunctionDebugContext<D> { - pub fn get_ref<'a>(&'a self, span: Span) -> &'a FunctionDebugContextData<D> { + pub fn get_ref(&self, span: Span) -> &FunctionDebugContextData<D> { match *self { FunctionDebugContext::RegularContext(ref data) => data, FunctionDebugContext::DebugInfoDisabled => { diff --git a/src/librustc_codegen_ssa/mir/analyze.rs b/src/librustc_codegen_ssa/mir/analyze.rs index 0289150a5e4..2af9b448ef1 100644 --- a/src/librustc_codegen_ssa/mir/analyze.rs +++ b/src/librustc_codegen_ssa/mir/analyze.rs @@ -273,7 +273,7 @@ impl CleanupKind { } } -pub fn cleanup_kinds<'tcx>(mir: &mir::Body<'tcx>) -> IndexVec<mir::BasicBlock, CleanupKind> { +pub fn cleanup_kinds(mir: &mir::Body<'_>) -> IndexVec<mir::BasicBlock, CleanupKind> { fn discover_masters<'tcx>(result: &mut IndexVec<mir::BasicBlock, CleanupKind>, mir: &mir::Body<'tcx>) { for (bb, data) in mir.basic_blocks().iter_enumerated() { diff --git a/src/librustc_codegen_ssa/traits/backend.rs b/src/librustc_codegen_ssa/traits/backend.rs index 414871be611..9d5aaa7655d 100644 --- a/src/librustc_codegen_ssa/traits/backend.rs +++ b/src/librustc_codegen_ssa/traits/backend.rs @@ -44,7 +44,7 @@ pub trait ExtraBackendMethods: CodegenBackend + WriteBackendMethods + Sized + Se mods: &mut Self::Module, kind: AllocatorKind, ); - fn compile_codegen_unit<'tcx>(&self, tcx: TyCtxt<'tcx>, cgu_name: InternedString); + fn compile_codegen_unit(&self, tcx: TyCtxt<'_>, cgu_name: InternedString); // If find_features is true this won't access `sess.crate_types` by assuming // that `is_pie_binary` is false. When we discover LLVM target features // `sess.crate_types` is uninitialized so we cannot access it. diff --git a/src/librustc_codegen_ssa/traits/builder.rs b/src/librustc_codegen_ssa/traits/builder.rs index 1c80e614db8..3a144f0b0e0 100644 --- a/src/librustc_codegen_ssa/traits/builder.rs +++ b/src/librustc_codegen_ssa/traits/builder.rs @@ -36,7 +36,7 @@ pub trait BuilderMethods<'a, 'tcx>: { fn new_block<'b>(cx: &'a Self::CodegenCx, llfn: Self::Value, name: &'b str) -> Self; fn with_cx(cx: &'a Self::CodegenCx) -> Self; - fn build_sibling_block<'b>(&self, name: &'b str) -> Self; + fn build_sibling_block(&self, name: &str) -> Self; fn cx(&self) -> &Self::CodegenCx; fn llbb(&self) -> Self::BasicBlock; diff --git a/src/librustc_codegen_utils/symbol_names_test.rs b/src/librustc_codegen_utils/symbol_names_test.rs index f48d1f2853c..7ab29c5c4c3 100644 --- a/src/librustc_codegen_utils/symbol_names_test.rs +++ b/src/librustc_codegen_utils/symbol_names_test.rs @@ -11,7 +11,7 @@ use syntax::symbol::{Symbol, sym}; const SYMBOL_NAME: Symbol = sym::rustc_symbol_name; const DEF_PATH: Symbol = sym::rustc_def_path; -pub fn report_symbol_names<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn report_symbol_names(tcx: TyCtxt<'_>) { // if the `rustc_attrs` feature is not enabled, then the // attributes we are interested in cannot be present anyway, so // skip the walk. diff --git a/src/librustc_data_structures/bit_set.rs b/src/librustc_data_structures/bit_set.rs index 5d8388d89f5..1eb28bccbe3 100644 --- a/src/librustc_data_structures/bit_set.rs +++ b/src/librustc_data_structures/bit_set.rs @@ -168,7 +168,7 @@ impl<T: Idx> BitSet<T> { /// Iterates over the indices of set bits in a sorted order. #[inline] - pub fn iter<'a>(&'a self) -> BitIter<'a, T> { + pub fn iter(&self) -> BitIter<'_, T> { BitIter { cur: None, iter: self.words.iter().enumerate(), @@ -849,7 +849,7 @@ impl<R: Idx, C: Idx> BitMatrix<R, C> { /// Iterates through all the columns set to true in a given row of /// the matrix. - pub fn iter<'a>(&'a self, row: R) -> BitIter<'a, C> { + pub fn iter(&self, row: R) -> BitIter<'_, C> { assert!(row.index() < self.num_rows); let (start, end) = self.range(row); BitIter { diff --git a/src/librustc_data_structures/fingerprint.rs b/src/librustc_data_structures/fingerprint.rs index 7975c62b90f..3bea965ef30 100644 --- a/src/librustc_data_structures/fingerprint.rs +++ b/src/librustc_data_structures/fingerprint.rs @@ -58,7 +58,7 @@ impl Fingerprint { Ok(()) } - pub fn decode_opaque<'a>(decoder: &mut Decoder<'a>) -> Result<Fingerprint, String> { + pub fn decode_opaque(decoder: &mut Decoder<'_>) -> Result<Fingerprint, String> { let mut bytes = [0; 16]; decoder.read_raw_bytes(&mut bytes)?; diff --git a/src/librustc_data_structures/graph/implementation/mod.rs b/src/librustc_data_structures/graph/implementation/mod.rs index de4b1bcd0c2..d2699004c81 100644 --- a/src/librustc_data_structures/graph/implementation/mod.rs +++ b/src/librustc_data_structures/graph/implementation/mod.rs @@ -247,11 +247,11 @@ impl<N: Debug, E: Debug> Graph<N, E> { self.incoming_edges(target).sources() } - pub fn depth_traverse<'a>( - &'a self, + pub fn depth_traverse( + &self, start: NodeIndex, direction: Direction, - ) -> DepthFirstTraversal<'a, N, E> { + ) -> DepthFirstTraversal<'_, N, E> { DepthFirstTraversal::with_start_node(self, start, direction) } diff --git a/src/librustc_data_structures/graph/mod.rs b/src/librustc_data_structures/graph/mod.rs index 2787fa3c6b1..e59085a9e3a 100644 --- a/src/librustc_data_structures/graph/mod.rs +++ b/src/librustc_data_structures/graph/mod.rs @@ -26,10 +26,10 @@ pub trait WithSuccessors: DirectedGraph where Self: for<'graph> GraphSuccessors<'graph, Item = <Self as DirectedGraph>::Node>, { - fn successors<'graph>( - &'graph self, + fn successors( + &self, node: Self::Node, - ) -> <Self as GraphSuccessors<'graph>>::Iter; + ) -> <Self as GraphSuccessors<'_>>::Iter; fn depth_first_search(&self, from: Self::Node) -> iterate::DepthFirstSearch<'_, Self> where @@ -48,10 +48,10 @@ pub trait WithPredecessors: DirectedGraph where Self: for<'graph> GraphPredecessors<'graph, Item = <Self as DirectedGraph>::Node>, { - fn predecessors<'graph>( - &'graph self, + fn predecessors( + &self, node: Self::Node, - ) -> <Self as GraphPredecessors<'graph>>::Iter; + ) -> <Self as GraphPredecessors<'_>>::Iter; } pub trait GraphPredecessors<'graph> { diff --git a/src/librustc_data_structures/graph/reference.rs b/src/librustc_data_structures/graph/reference.rs index 5ad2a71e1d7..9442bb3cdec 100644 --- a/src/librustc_data_structures/graph/reference.rs +++ b/src/librustc_data_structures/graph/reference.rs @@ -17,15 +17,15 @@ impl<'graph, G: WithStartNode> WithStartNode for &'graph G { } impl<'graph, G: WithSuccessors> WithSuccessors for &'graph G { - fn successors<'iter>(&'iter self, node: Self::Node) -> <Self as GraphSuccessors<'iter>>::Iter { + fn successors(&self, node: Self::Node) -> <Self as GraphSuccessors<'_>>::Iter { (**self).successors(node) } } impl<'graph, G: WithPredecessors> WithPredecessors for &'graph G { - fn predecessors<'iter>(&'iter self, - node: Self::Node) - -> <Self as GraphPredecessors<'iter>>::Iter { + fn predecessors(&self, + node: Self::Node) + -> <Self as GraphPredecessors<'_>>::Iter { (**self).predecessors(node) } } diff --git a/src/librustc_data_structures/graph/test.rs b/src/librustc_data_structures/graph/test.rs index b390c419572..bc142144e93 100644 --- a/src/librustc_data_structures/graph/test.rs +++ b/src/librustc_data_structures/graph/test.rs @@ -51,15 +51,15 @@ impl WithNumNodes for TestGraph { } impl WithPredecessors for TestGraph { - fn predecessors<'graph>(&'graph self, - node: usize) - -> <Self as GraphPredecessors<'graph>>::Iter { + fn predecessors(&self, + node: usize) + -> <Self as GraphPredecessors<'_>>::Iter { self.predecessors[&node].iter().cloned() } } impl WithSuccessors for TestGraph { - fn successors<'graph>(&'graph self, node: usize) -> <Self as GraphSuccessors<'graph>>::Iter { + fn successors(&self, node: usize) -> <Self as GraphSuccessors<'_>>::Iter { self.successors[&node].iter().cloned() } } diff --git a/src/librustc_driver/pretty.rs b/src/librustc_driver/pretty.rs index d92f3aafa1c..ff0c4ff548b 100644 --- a/src/librustc_driver/pretty.rs +++ b/src/librustc_driver/pretty.rs @@ -188,7 +188,7 @@ impl PpSourceMode { _ => panic!("Should use call_with_pp_support_hir"), } } - fn call_with_pp_support_hir<'tcx, A, F>(&self, tcx: TyCtxt<'tcx>, f: F) -> A + fn call_with_pp_support_hir<A, F>(&self, tcx: TyCtxt<'_>, f: F) -> A where F: FnOnce(&dyn HirPrinterSupport<'_>, &hir::Crate) -> A, { @@ -228,7 +228,7 @@ impl PpSourceMode { trait PrinterSupport: pprust::PpAnn { /// Provides a uniform interface for re-extracting a reference to a /// `Session` from a value that now owns it. - fn sess<'a>(&'a self) -> &'a Session; + fn sess(&self) -> &Session; /// Produces the pretty-print annotation object. /// @@ -240,7 +240,7 @@ trait PrinterSupport: pprust::PpAnn { trait HirPrinterSupport<'hir>: pprust_hir::PpAnn { /// Provides a uniform interface for re-extracting a reference to a /// `Session` from a value that now owns it. - fn sess<'a>(&'a self) -> &'a Session; + fn sess(&self) -> &Session; /// Provides a uniform interface for re-extracting a reference to an /// `hir_map::Map` from a value that now owns it. @@ -272,7 +272,7 @@ struct NoAnn<'hir> { } impl<'hir> PrinterSupport for NoAnn<'hir> { - fn sess<'a>(&'a self) -> &'a Session { + fn sess(&self) -> &Session { self.sess } @@ -282,7 +282,7 @@ impl<'hir> PrinterSupport for NoAnn<'hir> { } impl<'hir> HirPrinterSupport<'hir> for NoAnn<'hir> { - fn sess<'a>(&'a self) -> &'a Session { + fn sess(&self) -> &Session { self.sess } @@ -313,7 +313,7 @@ struct IdentifiedAnnotation<'hir> { } impl<'hir> PrinterSupport for IdentifiedAnnotation<'hir> { - fn sess<'a>(&'a self) -> &'a Session { + fn sess(&self) -> &Session { self.sess } @@ -360,7 +360,7 @@ impl<'hir> pprust::PpAnn for IdentifiedAnnotation<'hir> { } impl<'hir> HirPrinterSupport<'hir> for IdentifiedAnnotation<'hir> { - fn sess<'a>(&'a self) -> &'a Session { + fn sess(&self) -> &Session { self.sess } @@ -458,7 +458,7 @@ struct TypedAnnotation<'a, 'tcx> { } impl<'b, 'tcx> HirPrinterSupport<'tcx> for TypedAnnotation<'b, 'tcx> { - fn sess<'a>(&'a self) -> &'a Session { + fn sess(&self) -> &Session { &self.tcx.sess } @@ -866,8 +866,8 @@ pub fn print_after_hir_lowering<'tcx>( // analysis is performed. However, we want to call `phase_3_run_analysis_passes` // with a different callback than the standard driver, so that isn't easy. // Instead, we call that function ourselves. -fn print_with_analysis<'tcx>( - tcx: TyCtxt<'tcx>, +fn print_with_analysis( + tcx: TyCtxt<'_>, ppm: PpMode, uii: Option<UserIdentifiedItem>, ofile: Option<&Path>, diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs index a2717ab7ad8..83a0fb486fd 100644 --- a/src/librustc_errors/emitter.rs +++ b/src/librustc_errors/emitter.rs @@ -1635,7 +1635,7 @@ impl Destination { } } - fn writable<'a>(&'a mut self) -> WritableDst<'a> { + fn writable(&mut self) -> WritableDst<'_> { match *self { Destination::Terminal(ref mut t) => WritableDst::Terminal(t), Destination::Buffered(ref mut t) => { diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs index 70bd25a9d57..1ffee1cdf69 100644 --- a/src/librustc_errors/lib.rs +++ b/src/librustc_errors/lib.rs @@ -438,14 +438,14 @@ impl Handler { self.err_count.store(0, SeqCst); } - pub fn struct_dummy<'a>(&'a self) -> DiagnosticBuilder<'a> { + pub fn struct_dummy(&self) -> DiagnosticBuilder<'_> { DiagnosticBuilder::new(self, Level::Cancelled, "") } - pub fn struct_span_warn<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str) - -> DiagnosticBuilder<'a> { + pub fn struct_span_warn<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Warning, msg); result.set_span(sp); if !self.flags.can_emit_warnings { @@ -453,11 +453,11 @@ impl Handler { } result } - pub fn struct_span_warn_with_code<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str, - code: DiagnosticId) - -> DiagnosticBuilder<'a> { + pub fn struct_span_warn_with_code<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str, + code: DiagnosticId) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Warning, msg); result.set_span(sp); result.code(code); @@ -466,63 +466,63 @@ impl Handler { } result } - pub fn struct_warn<'a>(&'a self, msg: &str) -> DiagnosticBuilder<'a> { + pub fn struct_warn(&self, msg: &str) -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Warning, msg); if !self.flags.can_emit_warnings { result.cancel(); } result } - pub fn struct_span_err<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str) - -> DiagnosticBuilder<'a> { + pub fn struct_span_err<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Error, msg); result.set_span(sp); result } - pub fn struct_span_err_with_code<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str, - code: DiagnosticId) - -> DiagnosticBuilder<'a> { + pub fn struct_span_err_with_code<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str, + code: DiagnosticId) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Error, msg); result.set_span(sp); result.code(code); result } // FIXME: This method should be removed (every error should have an associated error code). - pub fn struct_err<'a>(&'a self, msg: &str) -> DiagnosticBuilder<'a> { + pub fn struct_err(&self, msg: &str) -> DiagnosticBuilder<'_> { DiagnosticBuilder::new(self, Level::Error, msg) } - pub fn struct_err_with_code<'a>( - &'a self, + pub fn struct_err_with_code( + &self, msg: &str, code: DiagnosticId, - ) -> DiagnosticBuilder<'a> { + ) -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Error, msg); result.code(code); result } - pub fn struct_span_fatal<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str) - -> DiagnosticBuilder<'a> { + pub fn struct_span_fatal<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Fatal, msg); result.set_span(sp); result } - pub fn struct_span_fatal_with_code<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str, - code: DiagnosticId) - -> DiagnosticBuilder<'a> { + pub fn struct_span_fatal_with_code<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str, + code: DiagnosticId) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Fatal, msg); result.set_span(sp); result.code(code); result } - pub fn struct_fatal<'a>(&'a self, msg: &str) -> DiagnosticBuilder<'a> { + pub fn struct_fatal(&self, msg: &str) -> DiagnosticBuilder<'_> { DiagnosticBuilder::new(self, Level::Fatal, msg) } @@ -563,10 +563,10 @@ impl Handler { pub fn span_err<S: Into<MultiSpan>>(&self, sp: S, msg: &str) { self.emit(&sp.into(), msg, Error); } - pub fn mut_span_err<'a, S: Into<MultiSpan>>(&'a self, - sp: S, - msg: &str) - -> DiagnosticBuilder<'a> { + pub fn mut_span_err<S: Into<MultiSpan>>(&self, + sp: S, + msg: &str) + -> DiagnosticBuilder<'_> { let mut result = DiagnosticBuilder::new(self, Level::Error, msg); result.set_span(sp); result @@ -605,10 +605,10 @@ impl Handler { pub fn span_note_without_error<S: Into<MultiSpan>>(&self, sp: S, msg: &str) { self.emit(&sp.into(), msg, Note); } - pub fn span_note_diag<'a>(&'a self, - sp: Span, - msg: &str) - -> DiagnosticBuilder<'a> { + pub fn span_note_diag(&self, + sp: Span, + msg: &str) + -> DiagnosticBuilder<'_> { let mut db = DiagnosticBuilder::new(self, Note, msg); db.set_span(sp); db diff --git a/src/librustc_incremental/assert_dep_graph.rs b/src/librustc_incremental/assert_dep_graph.rs index a43347a2197..38dc6edaf63 100644 --- a/src/librustc_incremental/assert_dep_graph.rs +++ b/src/librustc_incremental/assert_dep_graph.rs @@ -51,7 +51,7 @@ use std::io::Write; use syntax::ast; use syntax_pos::Span; -pub fn assert_dep_graph<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn assert_dep_graph(tcx: TyCtxt<'_>) { tcx.dep_graph.with_ignore(|| { if tcx.sess.opts.debugging_opts.dump_dep_graph { dump_graph(tcx); diff --git a/src/librustc_incremental/assert_module_sources.rs b/src/librustc_incremental/assert_module_sources.rs index f502d047546..046fdc72270 100644 --- a/src/librustc_incremental/assert_module_sources.rs +++ b/src/librustc_incremental/assert_module_sources.rs @@ -35,7 +35,7 @@ const MODULE: Symbol = sym::module; const CFG: Symbol = sym::cfg; const KIND: Symbol = sym::kind; -pub fn assert_module_sources<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn assert_module_sources(tcx: TyCtxt<'_>) { tcx.dep_graph.with_ignore(|| { if tcx.sess.opts.incremental.is_none() { return; diff --git a/src/librustc_incremental/persist/dirty_clean.rs b/src/librustc_incremental/persist/dirty_clean.rs index 5296ed0ffd0..1d83aa112a8 100644 --- a/src/librustc_incremental/persist/dirty_clean.rs +++ b/src/librustc_incremental/persist/dirty_clean.rs @@ -206,7 +206,7 @@ impl Assertion { } } -pub fn check_dirty_clean_annotations<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_dirty_clean_annotations(tcx: TyCtxt<'_>) { // can't add `#[rustc_dirty]` etc without opting in to this feature if !tcx.features().rustc_attrs { return; diff --git a/src/librustc_incremental/persist/load.rs b/src/librustc_incremental/persist/load.rs index d9bcc0b2a83..90aefb0f324 100644 --- a/src/librustc_incremental/persist/load.rs +++ b/src/librustc_incremental/persist/load.rs @@ -15,7 +15,7 @@ use super::fs::*; use super::file_format; use super::work_product; -pub fn dep_graph_tcx_init<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn dep_graph_tcx_init(tcx: TyCtxt<'_>) { if !tcx.dep_graph.is_fully_enabled() { return } @@ -192,7 +192,7 @@ pub fn load_dep_graph(sess: &Session) -> DepGraphFuture { })) } -pub fn load_query_result_cache<'sess>(sess: &'sess Session) -> OnDiskCache<'sess> { +pub fn load_query_result_cache(sess: &Session) -> OnDiskCache<'_> { if sess.opts.incremental.is_none() || !sess.opts.debugging_opts.incremental_queries { return OnDiskCache::new_empty(sess.source_map()); diff --git a/src/librustc_incremental/persist/save.rs b/src/librustc_incremental/persist/save.rs index 49c79ec09f5..13e2c5d1c57 100644 --- a/src/librustc_incremental/persist/save.rs +++ b/src/librustc_incremental/persist/save.rs @@ -15,7 +15,7 @@ use super::dirty_clean; use super::file_format; use super::work_product; -pub fn save_dep_graph<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn save_dep_graph(tcx: TyCtxt<'_>) { debug!("save_dep_graph()"); tcx.dep_graph.with_ignore(|| { let sess = tcx.sess; diff --git a/src/librustc_interface/passes.rs b/src/librustc_interface/passes.rs index c1b6e3409c9..d6987281981 100644 --- a/src/librustc_interface/passes.rs +++ b/src/librustc_interface/passes.rs @@ -878,7 +878,7 @@ pub fn create_global_ctxt( /// Runs the resolution, type-checking, region checking and other /// miscellaneous analysis passes on the crate. -fn analysis<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> Result<()> { +fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> { assert_eq!(cnum, LOCAL_CRATE); let sess = tcx.sess; @@ -995,8 +995,8 @@ fn analysis<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> Result<()> { Ok(()) } -fn encode_and_write_metadata<'tcx>( - tcx: TyCtxt<'tcx>, +fn encode_and_write_metadata( + tcx: TyCtxt<'_>, outputs: &OutputFilenames, ) -> (middle::cstore::EncodedMetadata, bool) { #[derive(PartialEq, Eq, PartialOrd, Ord)] diff --git a/src/librustc_interface/proc_macro_decls.rs b/src/librustc_interface/proc_macro_decls.rs index 9e1ef6b022d..d888c9e57d3 100644 --- a/src/librustc_interface/proc_macro_decls.rs +++ b/src/librustc_interface/proc_macro_decls.rs @@ -6,11 +6,11 @@ use rustc::ty::query::Providers; use syntax::attr; use syntax::symbol::sym; -pub fn find<'tcx>(tcx: TyCtxt<'tcx>) -> Option<DefId> { +pub fn find(tcx: TyCtxt<'_>) -> Option<DefId> { tcx.proc_macro_decls_static(LOCAL_CRATE) } -fn proc_macro_decls_static<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> Option<DefId> { +fn proc_macro_decls_static(tcx: TyCtxt<'_>, cnum: CrateNum) -> Option<DefId> { assert_eq!(cnum, LOCAL_CRATE); let mut finder = Finder { decls: None }; diff --git a/src/librustc_lint/lib.rs b/src/librustc_lint/lib.rs index d808a15982e..4c6ceb14ca4 100644 --- a/src/librustc_lint/lib.rs +++ b/src/librustc_lint/lib.rs @@ -74,7 +74,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn lint_mod<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn lint_mod(tcx: TyCtxt<'_>, module_def_id: DefId) { lint::late_lint_mod(tcx, module_def_id, BuiltinCombinedModuleLateLintPass::new()); } diff --git a/src/librustc_metadata/cstore_impl.rs b/src/librustc_metadata/cstore_impl.rs index 04a9c4e9a1a..914084d7e9e 100644 --- a/src/librustc_metadata/cstore_impl.rs +++ b/src/librustc_metadata/cstore_impl.rs @@ -250,7 +250,7 @@ provide! { <'tcx> tcx, def_id, other, cdata, exported_symbols => { Arc::new(cdata.exported_symbols(tcx)) } } -pub fn provide<'tcx>(providers: &mut Providers<'tcx>) { +pub fn provide(providers: &mut Providers<'_>) { // FIXME(#44234) - almost all of these queries have no sub-queries and // therefore no actual inputs, they're just reading tables calculated in // resolve! Does this work? Unsure! That's what the issue is about @@ -550,7 +550,7 @@ impl CrateStore for cstore::CStore { self.do_postorder_cnums_untracked() } - fn encode_metadata<'tcx>(&self, tcx: TyCtxt<'tcx>) -> EncodedMetadata { + fn encode_metadata(&self, tcx: TyCtxt<'_>) -> EncodedMetadata { encoder::encode_metadata(tcx) } diff --git a/src/librustc_metadata/encoder.rs b/src/librustc_metadata/encoder.rs index b52b6dfbb5e..73c20ccad5a 100644 --- a/src/librustc_metadata/encoder.rs +++ b/src/librustc_metadata/encoder.rs @@ -1863,7 +1863,7 @@ impl<'tcx, 'v> ItemLikeVisitor<'v> for ImplVisitor<'tcx> { // will allow us to slice the metadata to the precise length that we just // generated regardless of trailing bytes that end up in it. -pub fn encode_metadata<'tcx>(tcx: TyCtxt<'tcx>) -> EncodedMetadata { +pub fn encode_metadata(tcx: TyCtxt<'_>) -> EncodedMetadata { let mut encoder = opaque::Encoder::new(vec![]); encoder.emit_raw_bytes(METADATA_HEADER); @@ -1905,7 +1905,7 @@ pub fn encode_metadata<'tcx>(tcx: TyCtxt<'tcx>) -> EncodedMetadata { EncodedMetadata { raw_data: result } } -pub fn get_repr_options<'tcx>(tcx: TyCtxt<'tcx>, did: DefId) -> ReprOptions { +pub fn get_repr_options(tcx: TyCtxt<'_>, did: DefId) -> ReprOptions { let ty = tcx.type_of(did); match ty.sty { ty::Adt(ref def, _) => return def.repr, diff --git a/src/librustc_metadata/foreign_modules.rs b/src/librustc_metadata/foreign_modules.rs index 0ce103cfa40..b1f4dfffc78 100644 --- a/src/librustc_metadata/foreign_modules.rs +++ b/src/librustc_metadata/foreign_modules.rs @@ -3,7 +3,7 @@ use rustc::hir; use rustc::middle::cstore::ForeignModule; use rustc::ty::TyCtxt; -pub fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> Vec<ForeignModule> { +pub fn collect(tcx: TyCtxt<'_>) -> Vec<ForeignModule> { let mut collector = Collector { tcx, modules: Vec::new(), diff --git a/src/librustc_metadata/link_args.rs b/src/librustc_metadata/link_args.rs index cd6270046fa..728fd004fcb 100644 --- a/src/librustc_metadata/link_args.rs +++ b/src/librustc_metadata/link_args.rs @@ -4,7 +4,7 @@ use rustc::ty::TyCtxt; use rustc_target::spec::abi::Abi; use syntax::symbol::sym; -pub fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> Vec<String> { +pub fn collect(tcx: TyCtxt<'_>) -> Vec<String> { let mut collector = Collector { args: Vec::new(), }; diff --git a/src/librustc_metadata/native_libs.rs b/src/librustc_metadata/native_libs.rs index 7b335b3b483..4a01d0e559a 100644 --- a/src/librustc_metadata/native_libs.rs +++ b/src/librustc_metadata/native_libs.rs @@ -11,7 +11,7 @@ use syntax::feature_gate::{self, GateIssue}; use syntax::symbol::{Symbol, sym}; use syntax::{span_err, struct_span_err}; -pub fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> Vec<NativeLibrary> { +pub fn collect(tcx: TyCtxt<'_>) -> Vec<NativeLibrary> { let mut collector = Collector { tcx, libs: Vec::new(), diff --git a/src/librustc_mir/borrow_check/mod.rs b/src/librustc_mir/borrow_check/mod.rs index 4872440f5bd..0072fcb22f1 100644 --- a/src/librustc_mir/borrow_check/mod.rs +++ b/src/librustc_mir/borrow_check/mod.rs @@ -87,7 +87,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn mir_borrowck<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> BorrowCheckResult<'tcx> { +fn mir_borrowck(tcx: TyCtxt<'_>, def_id: DefId) -> BorrowCheckResult<'_> { let input_body = tcx.mir_validated(def_id); debug!("run query mir_borrowck: {}", tcx.def_path_str(def_id)); diff --git a/src/librustc_mir/borrow_check/nll/constraints/graph.rs b/src/librustc_mir/borrow_check/nll/constraints/graph.rs index 1d9e6064c41..b5630251e58 100644 --- a/src/librustc_mir/borrow_check/nll/constraints/graph.rs +++ b/src/librustc_mir/borrow_check/nll/constraints/graph.rs @@ -234,10 +234,10 @@ impl<'s, D: ConstraintGraphDirecton> graph::WithNumNodes for RegionGraph<'s, D> } impl<'s, D: ConstraintGraphDirecton> graph::WithSuccessors for RegionGraph<'s, D> { - fn successors<'graph>( - &'graph self, + fn successors( + &self, node: Self::Node, - ) -> <Self as graph::GraphSuccessors<'graph>>::Iter { + ) -> <Self as graph::GraphSuccessors<'_>>::Iter { self.outgoing_regions(node) } } diff --git a/src/librustc_mir/borrow_check/nll/region_infer/values.rs b/src/librustc_mir/borrow_check/nll/region_infer/values.rs index cfd80cecca5..6f9f5707935 100644 --- a/src/librustc_mir/borrow_check/nll/region_infer/values.rs +++ b/src/librustc_mir/borrow_check/nll/region_infer/values.rs @@ -162,7 +162,7 @@ impl<N: Idx> LivenessValues<N> { } /// Iterate through each region that has a value in this set. - crate fn rows<'a>(&'a self) -> impl Iterator<Item = N> { + crate fn rows(&self) -> impl Iterator<Item=N> { self.points.rows() } diff --git a/src/librustc_mir/borrow_check/path_utils.rs b/src/librustc_mir/borrow_check/path_utils.rs index aa2b177e54e..538ac6881d9 100644 --- a/src/librustc_mir/borrow_check/path_utils.rs +++ b/src/librustc_mir/borrow_check/path_utils.rs @@ -130,7 +130,7 @@ pub(super) fn is_active<'tcx>( /// Determines if a given borrow is borrowing local data /// This is called for all Yield statements on movable generators -pub(super) fn borrow_of_local_data<'tcx>(place: &Place<'tcx>) -> bool { +pub(super) fn borrow_of_local_data(place: &Place<'_>) -> bool { place.iterate(|place_base, place_projection| { match place_base { PlaceBase::Static(..) => return false, diff --git a/src/librustc_mir/build/expr/category.rs b/src/librustc_mir/build/expr/category.rs index 222ce6d1c96..f679a00035d 100644 --- a/src/librustc_mir/build/expr/category.rs +++ b/src/librustc_mir/build/expr/category.rs @@ -31,7 +31,7 @@ pub enum RvalueFunc { /// Determines the category for a given expression. Note that scope /// and paren expressions have no category. impl Category { - pub fn of<'tcx>(ek: &ExprKind<'tcx>) -> Option<Category> { + pub fn of(ek: &ExprKind<'_>) -> Option<Category> { match *ek { ExprKind::Scope { .. } => None, diff --git a/src/librustc_mir/build/matches/test.rs b/src/librustc_mir/build/matches/test.rs index 95e2e52092a..528dfbef694 100644 --- a/src/librustc_mir/build/matches/test.rs +++ b/src/librustc_mir/build/matches/test.rs @@ -826,6 +826,6 @@ impl Test<'_> { } } -fn is_switch_ty<'tcx>(ty: Ty<'tcx>) -> bool { +fn is_switch_ty(ty: Ty<'_>) -> bool { ty.is_integral() || ty.is_char() || ty.is_bool() } diff --git a/src/librustc_mir/build/mod.rs b/src/librustc_mir/build/mod.rs index ad970de466c..80a035d8287 100644 --- a/src/librustc_mir/build/mod.rs +++ b/src/librustc_mir/build/mod.rs @@ -22,7 +22,7 @@ use syntax_pos::Span; use super::lints; /// Construct the MIR for a given `DefId`. -pub fn mir_build<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Body<'tcx> { +pub fn mir_build(tcx: TyCtxt<'_>, def_id: DefId) -> Body<'_> { let id = tcx.hir().as_local_hir_id(def_id).unwrap(); // Figure out what primary body this item has. @@ -171,11 +171,11 @@ pub fn mir_build<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Body<'tcx> { /////////////////////////////////////////////////////////////////////////// // BuildMir -- walks a crate, looking for fn items and methods to build MIR from -fn liberated_closure_env_ty<'tcx>( - tcx: TyCtxt<'tcx>, +fn liberated_closure_env_ty( + tcx: TyCtxt<'_>, closure_expr_id: hir::HirId, body_id: hir::BodyId, -) -> Ty<'tcx> { +) -> Ty<'_> { let closure_ty = tcx.body_tables(body_id).node_type(closure_expr_id); let (closure_def_id, closure_substs) = match closure_ty.sty { @@ -485,7 +485,7 @@ macro_rules! unpack { }; } -fn should_abort_on_panic<'tcx>(tcx: TyCtxt<'tcx>, fn_def_id: DefId, abi: Abi) -> bool { +fn should_abort_on_panic(tcx: TyCtxt<'_>, fn_def_id: DefId, abi: Abi) -> bool { // Not callable from C, so we can safely unwind through these if abi == Abi::Rust || abi == Abi::RustCall { return false; } diff --git a/src/librustc_mir/dataflow/impls/borrowed_locals.rs b/src/librustc_mir/dataflow/impls/borrowed_locals.rs index 0f7f37f2db8..d94ebdbae24 100644 --- a/src/librustc_mir/dataflow/impls/borrowed_locals.rs +++ b/src/librustc_mir/dataflow/impls/borrowed_locals.rs @@ -92,7 +92,7 @@ struct BorrowedLocalsVisitor<'gk> { trans: &'gk mut GenKillSet<Local>, } -fn find_local<'tcx>(place: &Place<'tcx>) -> Option<Local> { +fn find_local(place: &Place<'_>) -> Option<Local> { place.iterate(|place_base, place_projection| { for proj in place_projection { if proj.elem == ProjectionElem::Deref { diff --git a/src/librustc_mir/hair/pattern/_match.rs b/src/librustc_mir/hair/pattern/_match.rs index fc2951895f3..d356194c003 100644 --- a/src/librustc_mir/hair/pattern/_match.rs +++ b/src/librustc_mir/hair/pattern/_match.rs @@ -835,7 +835,7 @@ impl<'tcx> IntRange<'tcx> { fn from_ctor(tcx: TyCtxt<'tcx>, ctor: &Constructor<'tcx>) -> Option<IntRange<'tcx>> { // Floating-point ranges are permitted and we don't want // to consider them when constructing integer ranges. - fn is_integral<'tcx>(ty: Ty<'tcx>) -> bool { + fn is_integral(ty: Ty<'_>) -> bool { match ty.sty { ty::Char | ty::Int(_) | ty::Uint(_) => true, _ => false, diff --git a/src/librustc_mir/hair/pattern/check_match.rs b/src/librustc_mir/hair/pattern/check_match.rs index f8baf457e9d..915ce9f20d0 100644 --- a/src/librustc_mir/hair/pattern/check_match.rs +++ b/src/librustc_mir/hair/pattern/check_match.rs @@ -26,7 +26,7 @@ use std::slice; use syntax_pos::{Span, DUMMY_SP, MultiSpan}; -pub(crate) fn check_match<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +pub(crate) fn check_match(tcx: TyCtxt<'_>, def_id: DefId) { let body_id = if let Some(id) = tcx.hir().as_local_hir_id(def_id) { tcx.hir().body_owned_by(id) } else { @@ -43,7 +43,7 @@ pub(crate) fn check_match<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { }.visit_body(tcx.hir().body(body_id)); } -fn create_e0004<'a>(sess: &'a Session, sp: Span, error_message: String) -> DiagnosticBuilder<'a> { +fn create_e0004(sess: &Session, sp: Span, error_message: String) -> DiagnosticBuilder<'_> { struct_span_err!(sess, sp, E0004, "{}", &error_message) } diff --git a/src/librustc_mir/monomorphize/collector.rs b/src/librustc_mir/monomorphize/collector.rs index bb2738d5aa4..097d76925c8 100644 --- a/src/librustc_mir/monomorphize/collector.rs +++ b/src/librustc_mir/monomorphize/collector.rs @@ -281,10 +281,10 @@ impl<'tcx> InliningMap<'tcx> { } } -pub fn collect_crate_mono_items<'tcx>( - tcx: TyCtxt<'tcx>, +pub fn collect_crate_mono_items( + tcx: TyCtxt<'_>, mode: MonoItemCollectionMode, -) -> (FxHashSet<MonoItem<'tcx>>, InliningMap<'tcx>) { +) -> (FxHashSet<MonoItem<'_>>, InliningMap<'_>) { let roots = time(tcx.sess, "collecting roots", || { collect_roots(tcx, mode) }); @@ -315,7 +315,7 @@ pub fn collect_crate_mono_items<'tcx>( // Find all non-generic items by walking the HIR. These items serve as roots to // start monomorphizing from. -fn collect_roots<'tcx>(tcx: TyCtxt<'tcx>, mode: MonoItemCollectionMode) -> Vec<MonoItem<'tcx>> { +fn collect_roots(tcx: TyCtxt<'_>, mode: MonoItemCollectionMode) -> Vec<MonoItem<'_>> { debug!("Collecting roots"); let mut roots = Vec::new(); @@ -912,7 +912,7 @@ fn find_vtable_types_for_unsizing<'tcx>( } } -fn create_fn_mono_item<'tcx>(instance: Instance<'tcx>) -> MonoItem<'tcx> { +fn create_fn_mono_item(instance: Instance<'_>) -> MonoItem<'_> { debug!("create_fn_mono_item(instance={})", instance); MonoItem::Fn(instance) } @@ -1114,7 +1114,7 @@ impl RootCollector<'_, 'v> { } } -fn item_requires_monomorphization<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn item_requires_monomorphization(tcx: TyCtxt<'_>, def_id: DefId) -> bool { let generics = tcx.generics_of(def_id); generics.requires_monomorphization(tcx) } @@ -1243,7 +1243,7 @@ fn collect_neighbours<'tcx>( } } -fn def_id_to_string<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> String { +fn def_id_to_string(tcx: TyCtxt<'_>, def_id: DefId) -> String { let mut output = String::new(); let printer = DefPathBasedNames::new(tcx, false, false); printer.push_def_path(def_id, &mut output); diff --git a/src/librustc_mir/monomorphize/partitioning.rs b/src/librustc_mir/monomorphize/partitioning.rs index 32e4d4f437a..a934c921d92 100644 --- a/src/librustc_mir/monomorphize/partitioning.rs +++ b/src/librustc_mir/monomorphize/partitioning.rs @@ -839,10 +839,10 @@ where } } -fn collect_and_partition_mono_items<'tcx>( - tcx: TyCtxt<'tcx>, +fn collect_and_partition_mono_items( + tcx: TyCtxt<'_>, cnum: CrateNum, -) -> (Arc<DefIdSet>, Arc<Vec<Arc<CodegenUnit<'tcx>>>>) { +) -> (Arc<DefIdSet>, Arc<Vec<Arc<CodegenUnit<'_>>>>) { assert_eq!(cnum, LOCAL_CRATE); let collection_mode = match tcx.sess.opts.debugging_opts.print_mono_items { diff --git a/src/librustc_mir/shim.rs b/src/librustc_mir/shim.rs index 7987095a334..32b964dbadf 100644 --- a/src/librustc_mir/shim.rs +++ b/src/librustc_mir/shim.rs @@ -829,7 +829,7 @@ fn build_call_shim<'tcx>( body } -pub fn build_adt_ctor<'tcx>(tcx: TyCtxt<'tcx>, ctor_id: DefId) -> &'tcx Body<'tcx> { +pub fn build_adt_ctor(tcx: TyCtxt<'_>, ctor_id: DefId) -> &Body<'_> { debug_assert!(tcx.is_constructor(ctor_id)); let span = tcx.hir().span_if_local(ctor_id) diff --git a/src/librustc_mir/transform/add_retag.rs b/src/librustc_mir/transform/add_retag.rs index e01017d7c9b..de5af0a46b5 100644 --- a/src/librustc_mir/transform/add_retag.rs +++ b/src/librustc_mir/transform/add_retag.rs @@ -14,8 +14,8 @@ pub struct AddRetag; /// after the assignment, we can be sure to obtain the same place value. /// (Concurrent accesses by other threads are no problem as these are anyway non-atomic /// copies. Data races are UB.) -fn is_stable<'tcx>( - place: &Place<'tcx>, +fn is_stable( + place: &Place<'_>, ) -> bool { use rustc::mir::Place::*; diff --git a/src/librustc_mir/transform/check_unsafety.rs b/src/librustc_mir/transform/check_unsafety.rs index 24df3549be4..9898ba89773 100644 --- a/src/librustc_mir/transform/check_unsafety.rs +++ b/src/librustc_mir/transform/check_unsafety.rs @@ -480,11 +480,11 @@ impl<'a, 'tcx> hir::intravisit::Visitor<'tcx> for UnusedUnsafeVisitor<'a> { } } -fn check_unused_unsafe<'a, 'tcx>( - tcx: TyCtxt<'tcx>, +fn check_unused_unsafe( + tcx: TyCtxt<'_>, def_id: DefId, used_unsafe: &FxHashSet<hir::HirId>, - unsafe_blocks: &'a mut Vec<(hir::HirId, bool)>, + unsafe_blocks: &mut Vec<(hir::HirId, bool)>, ) { let body_id = tcx.hir().as_local_hir_id(def_id).and_then(|hir_id| { @@ -506,7 +506,7 @@ fn check_unused_unsafe<'a, 'tcx>( hir::intravisit::Visitor::visit_body(&mut visitor, body); } -fn unsafety_check_result<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> UnsafetyCheckResult { +fn unsafety_check_result(tcx: TyCtxt<'_>, def_id: DefId) -> UnsafetyCheckResult { debug!("unsafety_violations({:?})", def_id); // N.B., this borrow is valid because all the consumers of @@ -545,7 +545,7 @@ fn unsafety_check_result<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> UnsafetyChec } } -fn unsafe_derive_on_repr_packed<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +fn unsafe_derive_on_repr_packed(tcx: TyCtxt<'_>, def_id: DefId) { let lint_hir_id = tcx.hir().as_local_hir_id(def_id).unwrap_or_else(|| bug!("checking unsafety for non-local def id {:?}", def_id)); @@ -602,7 +602,7 @@ fn report_unused_unsafe(tcx: TyCtxt<'_>, used_unsafe: &FxHashSet<hir::HirId>, id db.emit(); } -fn builtin_derive_def_id<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<DefId> { +fn builtin_derive_def_id(tcx: TyCtxt<'_>, def_id: DefId) -> Option<DefId> { debug!("builtin_derive_def_id({:?})", def_id); if let Some(impl_def_id) = tcx.impl_of_method(def_id) { if tcx.has_attr(impl_def_id, sym::automatically_derived) { @@ -618,7 +618,7 @@ fn builtin_derive_def_id<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<DefId } } -pub fn check_unsafety<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +pub fn check_unsafety(tcx: TyCtxt<'_>, def_id: DefId) { debug!("check_unsafety({:?})", def_id); // closures are handled by their parent fn. diff --git a/src/librustc_mir/transform/dump_mir.rs b/src/librustc_mir/transform/dump_mir.rs index 243820ba7d0..a6fb555f20b 100644 --- a/src/librustc_mir/transform/dump_mir.rs +++ b/src/librustc_mir/transform/dump_mir.rs @@ -14,7 +14,7 @@ use crate::util as mir_util; pub struct Marker(pub &'static str); impl MirPass for Marker { - fn name<'a>(&'a self) -> Cow<'a, str> { + fn name(&self) -> Cow<'_, str> { Cow::Borrowed(self.0) } @@ -52,7 +52,7 @@ pub fn on_mir_pass<'tcx>( } } -pub fn emit_mir<'tcx>(tcx: TyCtxt<'tcx>, outputs: &OutputFilenames) -> io::Result<()> { +pub fn emit_mir(tcx: TyCtxt<'_>, outputs: &OutputFilenames) -> io::Result<()> { let path = outputs.path(OutputType::Mir); let mut f = File::create(&path)?; mir_util::write_mir_pretty(tcx, None, &mut f)?; diff --git a/src/librustc_mir/transform/generator.rs b/src/librustc_mir/transform/generator.rs index 1acebede2e4..2ed3f7d5c26 100644 --- a/src/librustc_mir/transform/generator.rs +++ b/src/librustc_mir/transform/generator.rs @@ -1028,14 +1028,14 @@ fn create_generator_resume_function<'tcx>( dump_mir(tcx, None, "generator_resume", &0, source, body, |_, _| Ok(()) ); } -fn source_info<'tcx>(body: &Body<'tcx>) -> SourceInfo { +fn source_info(body: &Body<'_>) -> SourceInfo { SourceInfo { span: body.span, scope: OUTERMOST_SOURCE_SCOPE, } } -fn insert_clean_drop<'tcx>(body: &mut Body<'tcx>) -> BasicBlock { +fn insert_clean_drop(body: &mut Body<'_>) -> BasicBlock { let return_block = insert_term_block(body, TerminatorKind::Return); // Create a block to destroy an unresumed generators. This can only destroy upvars. diff --git a/src/librustc_mir/transform/mod.rs b/src/librustc_mir/transform/mod.rs index 81d91dcd0a9..7f43c4a3e89 100644 --- a/src/librustc_mir/transform/mod.rs +++ b/src/librustc_mir/transform/mod.rs @@ -50,13 +50,13 @@ pub(crate) fn provide(providers: &mut Providers<'_>) { }; } -fn is_mir_available<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn is_mir_available(tcx: TyCtxt<'_>, def_id: DefId) -> bool { tcx.mir_keys(def_id.krate).contains(&def_id) } /// Finds the full set of `DefId`s within the current crate that have /// MIR associated with them. -fn mir_keys<'tcx>(tcx: TyCtxt<'tcx>, krate: CrateNum) -> &'tcx DefIdSet { +fn mir_keys(tcx: TyCtxt<'_>, krate: CrateNum) -> &DefIdSet { assert_eq!(krate, LOCAL_CRATE); let mut set = DefIdSet::default(); @@ -94,7 +94,7 @@ fn mir_keys<'tcx>(tcx: TyCtxt<'tcx>, krate: CrateNum) -> &'tcx DefIdSet { tcx.arena.alloc(set) } -fn mir_built<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx Steal<Body<'tcx>> { +fn mir_built(tcx: TyCtxt<'_>, def_id: DefId) -> &Steal<Body<'_>> { let mir = build::mir_build(tcx, def_id); tcx.alloc_steal_mir(mir) } @@ -137,7 +137,7 @@ pub fn default_name<T: ?Sized>() -> Cow<'static, str> { /// pass will be named after the type, and it will consist of a main /// loop that goes over each available MIR and applies `run_pass`. pub trait MirPass { - fn name<'a>(&'a self) -> Cow<'a, str> { + fn name(&self) -> Cow<'_, str> { default_name::<Self>() } @@ -192,7 +192,7 @@ pub fn run_passes( } } -fn mir_const<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx Steal<Body<'tcx>> { +fn mir_const(tcx: TyCtxt<'_>, def_id: DefId) -> &Steal<Body<'_>> { // Unsafety check uses the raw mir, so make sure it is run let _ = tcx.unsafety_check_result(def_id); @@ -223,7 +223,7 @@ fn mir_validated(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx Steal<Body<'tcx>> { tcx.alloc_steal_mir(body) } -fn optimized_mir<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx Body<'tcx> { +fn optimized_mir(tcx: TyCtxt<'_>, def_id: DefId) -> &Body<'_> { if tcx.is_constructor(def_id) { // There's no reason to run all of the MIR passes on constructors when // we can just output the MIR we want directly. This also saves const diff --git a/src/librustc_mir/transform/qualify_consts.rs b/src/librustc_mir/transform/qualify_consts.rs index f082b5e5a04..3e52d3ee9bb 100644 --- a/src/librustc_mir/transform/qualify_consts.rs +++ b/src/librustc_mir/transform/qualify_consts.rs @@ -1473,7 +1473,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn mir_const_qualif<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> (u8, &'tcx BitSet<Local>) { +fn mir_const_qualif(tcx: TyCtxt<'_>, def_id: DefId) -> (u8, &BitSet<Local>) { // N.B., this `borrow()` is guaranteed to be valid (i.e., the value // cannot yet be stolen), because `mir_validated()`, which steals // from `mir_const(), forces this query to execute before diff --git a/src/librustc_mir/transform/simplify.rs b/src/librustc_mir/transform/simplify.rs index f226f15c009..2eed9d453f2 100644 --- a/src/librustc_mir/transform/simplify.rs +++ b/src/librustc_mir/transform/simplify.rs @@ -53,7 +53,7 @@ pub fn simplify_cfg(body: &mut Body<'_>) { } impl MirPass for SimplifyCfg { - fn name<'a>(&'a self) -> Cow<'a, str> { + fn name(&self) -> Cow<'_, str> { Cow::Borrowed(&self.label) } diff --git a/src/librustc_mir/transform/simplify_branches.rs b/src/librustc_mir/transform/simplify_branches.rs index 0c63a8d9c96..f39c71ef42d 100644 --- a/src/librustc_mir/transform/simplify_branches.rs +++ b/src/librustc_mir/transform/simplify_branches.rs @@ -15,7 +15,7 @@ impl SimplifyBranches { } impl MirPass for SimplifyBranches { - fn name<'a>(&'a self) -> Cow<'a, str> { + fn name(&self) -> Cow<'_, str> { Cow::Borrowed(&self.label) } diff --git a/src/librustc_mir/util/graphviz.rs b/src/librustc_mir/util/graphviz.rs index 1d876d7bddb..9d142d9b700 100644 --- a/src/librustc_mir/util/graphviz.rs +++ b/src/librustc_mir/util/graphviz.rs @@ -8,8 +8,8 @@ use std::io::{self, Write}; use super::pretty::dump_mir_def_ids; /// Write a graphviz DOT graph of a list of MIRs. -pub fn write_mir_graphviz<'tcx, W>( - tcx: TyCtxt<'tcx>, +pub fn write_mir_graphviz<W>( + tcx: TyCtxt<'_>, single: Option<DefId>, w: &mut W, ) -> io::Result<()> diff --git a/src/librustc_mir/util/liveness.rs b/src/librustc_mir/util/liveness.rs index 8ead571d966..b42eebc7ee3 100644 --- a/src/librustc_mir/util/liveness.rs +++ b/src/librustc_mir/util/liveness.rs @@ -56,8 +56,8 @@ pub struct LivenessResult { /// Computes which local variables are live within the given function /// `mir`, including drops. -pub fn liveness_of_locals<'tcx>( - body: &Body<'tcx>, +pub fn liveness_of_locals( + body: &Body<'_>, ) -> LivenessResult { let num_live_vars = body.local_decls.len(); @@ -243,8 +243,8 @@ impl<'tcx> Visitor<'tcx> for DefsUsesVisitor } } -fn block<'tcx>( - b: &BasicBlockData<'tcx>, +fn block( + b: &BasicBlockData<'_>, locals: usize, ) -> DefsUses { let mut visitor = DefsUsesVisitor { diff --git a/src/librustc_mir/util/mod.rs b/src/librustc_mir/util/mod.rs index 719029dbaac..fd2a5e452ce 100644 --- a/src/librustc_mir/util/mod.rs +++ b/src/librustc_mir/util/mod.rs @@ -21,7 +21,7 @@ pub use self::graphviz::{graphviz_safe_def_name, write_mir_graphviz}; pub use self::graphviz::write_node_label as write_graphviz_node_label; /// If possible, suggest replacing `ref` with `ref mut`. -pub fn suggest_ref_mut<'tcx>(tcx: TyCtxt<'tcx>, binding_span: Span) -> Option<(String)> { +pub fn suggest_ref_mut(tcx: TyCtxt<'_>, binding_span: Span) -> Option<(String)> { let hi_src = tcx.sess.source_map().span_to_snippet(binding_span).unwrap(); if hi_src.starts_with("ref") && hi_src["ref".len()..].starts_with(Pattern_White_Space) diff --git a/src/librustc_passes/hir_stats.rs b/src/librustc_passes/hir_stats.rs index 6936aedb9de..e7f6abc410a 100644 --- a/src/librustc_passes/hir_stats.rs +++ b/src/librustc_passes/hir_stats.rs @@ -38,7 +38,7 @@ pub fn print_hir_stats(krate: &hir::Crate) { collector.print("HIR STATS"); } -pub fn print_ast_stats<'v>(krate: &'v ast::Crate, title: &str) { +pub fn print_ast_stats(krate: &ast::Crate, title: &str) { let mut collector = StatCollector { krate: None, data: FxHashMap::default(), diff --git a/src/librustc_passes/layout_test.rs b/src/librustc_passes/layout_test.rs index 8f790d13285..6b1ce578240 100644 --- a/src/librustc_passes/layout_test.rs +++ b/src/librustc_passes/layout_test.rs @@ -14,7 +14,7 @@ use rustc::ty::TyCtxt; use syntax::ast::Attribute; use syntax::symbol::sym; -pub fn test_layout<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn test_layout(tcx: TyCtxt<'_>) { if tcx.features().rustc_attrs { // if the `rustc_attrs` feature is not enabled, don't bother testing layout tcx.hir() diff --git a/src/librustc_passes/loops.rs b/src/librustc_passes/loops.rs index ed0a78b4652..616e6974110 100644 --- a/src/librustc_passes/loops.rs +++ b/src/librustc_passes/loops.rs @@ -45,7 +45,7 @@ struct CheckLoopVisitor<'a, 'hir> { cx: Context, } -fn check_mod_loops<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_loops(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module(module_def_id, &mut CheckLoopVisitor { sess: &tcx.sess, hir_map: &tcx.hir(), diff --git a/src/librustc_passes/rvalue_promotion.rs b/src/librustc_passes/rvalue_promotion.rs index bc1151974bb..e14fa07fbbf 100644 --- a/src/librustc_passes/rvalue_promotion.rs +++ b/src/librustc_passes/rvalue_promotion.rs @@ -39,7 +39,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn const_is_rvalue_promotable_to_static<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn const_is_rvalue_promotable_to_static(tcx: TyCtxt<'_>, def_id: DefId) -> bool { assert!(def_id.is_local()); let hir_id = tcx.hir().as_local_hir_id(def_id) @@ -48,7 +48,7 @@ fn const_is_rvalue_promotable_to_static<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) tcx.rvalue_promotable_map(def_id).contains(&body_id.hir_id.local_id) } -fn rvalue_promotable_map<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ItemLocalSet { +fn rvalue_promotable_map(tcx: TyCtxt<'_>, def_id: DefId) -> &ItemLocalSet { let outer_def_id = tcx.closure_base_def_id(def_id); if outer_def_id != def_id { return tcx.rvalue_promotable_map(outer_def_id); diff --git a/src/librustc_plugin/build.rs b/src/librustc_plugin/build.rs index d3ac597160f..816e283a104 100644 --- a/src/librustc_plugin/build.rs +++ b/src/librustc_plugin/build.rs @@ -30,11 +30,11 @@ impl<'v> ItemLikeVisitor<'v> for RegistrarFinder { } /// Finds the function marked with `#[plugin_registrar]`, if any. -pub fn find_plugin_registrar<'tcx>(tcx: TyCtxt<'tcx>) -> Option<DefId> { +pub fn find_plugin_registrar(tcx: TyCtxt<'_>) -> Option<DefId> { tcx.plugin_registrar_fn(LOCAL_CRATE) } -fn plugin_registrar_fn<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> Option<DefId> { +fn plugin_registrar_fn(tcx: TyCtxt<'_>, cnum: CrateNum) -> Option<DefId> { assert_eq!(cnum, LOCAL_CRATE); let mut finder = RegistrarFinder { registrars: Vec::new() }; diff --git a/src/librustc_plugin/registry.rs b/src/librustc_plugin/registry.rs index 16d484e2a98..2fb65a60693 100644 --- a/src/librustc_plugin/registry.rs +++ b/src/librustc_plugin/registry.rs @@ -77,7 +77,7 @@ impl<'a> Registry<'a> { /// /// Returns empty slice in case the plugin was loaded /// with `--extra-plugins` - pub fn args<'b>(&'b self) -> &'b [ast::NestedMetaItem] { + pub fn args(&self) -> &[ast::NestedMetaItem] { self.args_hidden.as_ref().map(|v| &v[..]).unwrap_or(&[]) } diff --git a/src/librustc_privacy/lib.rs b/src/librustc_privacy/lib.rs index 3e98200e532..339021f511a 100644 --- a/src/librustc_privacy/lib.rs +++ b/src/librustc_privacy/lib.rs @@ -337,7 +337,7 @@ fn item_tables<'a, 'tcx>( if tcx.has_typeck_tables(def_id) { tcx.typeck_tables_of(def_id) } else { empty_tables } } -fn min<'tcx>(vis1: ty::Visibility, vis2: ty::Visibility, tcx: TyCtxt<'tcx>) -> ty::Visibility { +fn min(vis1: ty::Visibility, vis2: ty::Visibility, tcx: TyCtxt<'_>) -> ty::Visibility { if vis1.is_at_least(vis2, tcx) { vis2 } else { vis1 } } @@ -384,14 +384,14 @@ impl<'a, 'tcx, VL: VisibilityLike> DefIdVisitor<'tcx> for FindMin<'a, 'tcx, VL> trait VisibilityLike: Sized { const MAX: Self; const SHALLOW: bool = false; - fn new_min<'a, 'tcx>(find: &FindMin<'a, 'tcx, Self>, def_id: DefId) -> Self; + fn new_min(find: &FindMin<'_, '_, Self>, def_id: DefId) -> Self; // Returns an over-approximation (`skip_assoc_tys` = true) of visibility due to // associated types for which we can't determine visibility precisely. - fn of_impl<'a, 'tcx>( + fn of_impl( hir_id: hir::HirId, - tcx: TyCtxt<'tcx>, - access_levels: &'a AccessLevels, + tcx: TyCtxt<'_>, + access_levels: &AccessLevels, ) -> Self { let mut find = FindMin { tcx, access_levels, min: Self::MAX }; let def_id = tcx.hir().local_def_id_from_hir_id(hir_id); @@ -404,7 +404,7 @@ trait VisibilityLike: Sized { } impl VisibilityLike for ty::Visibility { const MAX: Self = ty::Visibility::Public; - fn new_min<'a, 'tcx>(find: &FindMin<'a, 'tcx, Self>, def_id: DefId) -> Self { + fn new_min(find: &FindMin<'_, '_, Self>, def_id: DefId) -> Self { min(def_id_visibility(find.tcx, def_id).0, find.min, find.tcx) } } @@ -420,7 +420,7 @@ impl VisibilityLike for Option<AccessLevel> { // both "shallow" version of its self type and "shallow" version of its trait if it exists // (which require reaching the `DefId`s in them). const SHALLOW: bool = true; - fn new_min<'a, 'tcx>(find: &FindMin<'a, 'tcx, Self>, def_id: DefId) -> Self { + fn new_min(find: &FindMin<'_, '_, Self>, def_id: DefId) -> Self { cmp::min(if let Some(hir_id) = find.tcx.hir().as_local_hir_id(def_id) { find.access_levels.map.get(&hir_id).cloned() } else { @@ -1828,7 +1828,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn check_mod_privacy<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_privacy(tcx: TyCtxt<'_>, module_def_id: DefId) { let empty_tables = ty::TypeckTables::empty(None); // Check privacy of names not checked in previous compilation stages. @@ -1855,7 +1855,7 @@ fn check_mod_privacy<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { intravisit::walk_mod(&mut visitor, module, hir_id); } -fn privacy_access_levels<'tcx>(tcx: TyCtxt<'tcx>, krate: CrateNum) -> &'tcx AccessLevels { +fn privacy_access_levels(tcx: TyCtxt<'_>, krate: CrateNum) -> &AccessLevels { assert_eq!(krate, LOCAL_CRATE); // Build up a set of all exported items in the AST. This is a set of all @@ -1879,7 +1879,7 @@ fn privacy_access_levels<'tcx>(tcx: TyCtxt<'tcx>, krate: CrateNum) -> &'tcx Acce tcx.arena.alloc(visitor.access_levels) } -fn check_private_in_public<'tcx>(tcx: TyCtxt<'tcx>, krate: CrateNum) { +fn check_private_in_public(tcx: TyCtxt<'_>, krate: CrateNum) { assert_eq!(krate, LOCAL_CRATE); let access_levels = tcx.privacy_access_levels(LOCAL_CRATE); diff --git a/src/librustc_resolve/lib.rs b/src/librustc_resolve/lib.rs index f4c23a023b1..77a976a54f4 100644 --- a/src/librustc_resolve/lib.rs +++ b/src/librustc_resolve/lib.rs @@ -198,9 +198,9 @@ enum ResolutionError<'a> { /// /// This takes the error provided, combines it with the span and any additional spans inside the /// error and emits it. -fn resolve_error<'sess, 'a>(resolver: &'sess Resolver<'_>, - span: Span, - resolution_error: ResolutionError<'a>) { +fn resolve_error(resolver: &Resolver<'_>, + span: Span, + resolution_error: ResolutionError<'_>) { resolve_struct_error(resolver, span, resolution_error).emit(); } diff --git a/src/librustc_traits/chalk_context/program_clauses/primitive.rs b/src/librustc_traits/chalk_context/program_clauses/primitive.rs index 8e4b9da6de2..6e8eed0f907 100644 --- a/src/librustc_traits/chalk_context/program_clauses/primitive.rs +++ b/src/librustc_traits/chalk_context/program_clauses/primitive.rs @@ -15,7 +15,7 @@ use crate::lowering::Lower; use crate::generic_types; use std::iter; -crate fn wf_clause_for_raw_ptr<'tcx>(tcx: TyCtxt<'tcx>, mutbl: hir::Mutability) -> Clauses<'tcx> { +crate fn wf_clause_for_raw_ptr(tcx: TyCtxt<'_>, mutbl: hir::Mutability) -> Clauses<'_> { let ptr_ty = generic_types::raw_ptr(tcx, mutbl); let wf_clause = ProgramClause { @@ -29,13 +29,13 @@ crate fn wf_clause_for_raw_ptr<'tcx>(tcx: TyCtxt<'tcx>, mutbl: hir::Mutability) tcx.mk_clauses(iter::once(wf_clause)) } -crate fn wf_clause_for_fn_ptr<'tcx>( - tcx: TyCtxt<'tcx>, +crate fn wf_clause_for_fn_ptr( + tcx: TyCtxt<'_>, arity_and_output: usize, variadic: bool, unsafety: hir::Unsafety, abi: abi::Abi, -) -> Clauses<'tcx> { +) -> Clauses<'_> { let fn_ptr = generic_types::fn_ptr(tcx, arity_and_output, variadic, unsafety, abi); let wf_clause = ProgramClause { @@ -50,7 +50,7 @@ crate fn wf_clause_for_fn_ptr<'tcx>( tcx.mk_clauses(iter::once(wf_clause)) } -crate fn wf_clause_for_slice<'tcx>(tcx: TyCtxt<'tcx>) -> Clauses<'tcx> { +crate fn wf_clause_for_slice(tcx: TyCtxt<'_>) -> Clauses<'_> { let ty = generic_types::bound(tcx, 0); let slice_ty = tcx.mk_slice(ty); @@ -111,7 +111,7 @@ crate fn wf_clause_for_array<'tcx>( tcx.mk_clauses(iter::once(wf_clause)) } -crate fn wf_clause_for_tuple<'tcx>(tcx: TyCtxt<'tcx>, arity: usize) -> Clauses<'tcx> { +crate fn wf_clause_for_tuple(tcx: TyCtxt<'_>, arity: usize) -> Clauses<'_> { let type_list = generic_types::type_list(tcx, arity); let tuple_ty = tcx.mk_ty(ty::Tuple(type_list)); @@ -152,7 +152,7 @@ crate fn wf_clause_for_tuple<'tcx>(tcx: TyCtxt<'tcx>, arity: usize) -> Clauses<' tcx.mk_clauses(iter::once(wf_clause)) } -crate fn wf_clause_for_ref<'tcx>(tcx: TyCtxt<'tcx>, mutbl: hir::Mutability) -> Clauses<'tcx> { +crate fn wf_clause_for_ref(tcx: TyCtxt<'_>, mutbl: hir::Mutability) -> Clauses<'_> { let region = tcx.mk_region( ty::ReLateBound(ty::INNERMOST, ty::BoundRegion::BrAnon(0)) ); @@ -176,7 +176,7 @@ crate fn wf_clause_for_ref<'tcx>(tcx: TyCtxt<'tcx>, mutbl: hir::Mutability) -> C tcx.mk_clauses(iter::once(wf_clause)) } -crate fn wf_clause_for_fn_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses<'tcx> { +crate fn wf_clause_for_fn_def(tcx: TyCtxt<'_>, def_id: DefId) -> Clauses<'_> { let fn_def = generic_types::fn_def(tcx, def_id); let wf_clause = ProgramClause { diff --git a/src/librustc_traits/dropck_outlives.rs b/src/librustc_traits/dropck_outlives.rs index 3abd7e90cf1..ecd888b6069 100644 --- a/src/librustc_traits/dropck_outlives.rs +++ b/src/librustc_traits/dropck_outlives.rs @@ -279,10 +279,10 @@ fn dtorck_constraint_for_ty<'tcx>( } /// Calculates the dtorck constraint for a type. -crate fn adt_dtorck_constraint<'tcx>( - tcx: TyCtxt<'tcx>, +crate fn adt_dtorck_constraint( + tcx: TyCtxt<'_>, def_id: DefId, -) -> Result<DtorckConstraint<'tcx>, NoSolution> { +) -> Result<DtorckConstraint<'_>, NoSolution> { let def = tcx.adt_def(def_id); let span = tcx.def_span(def_id); debug!("dtorck_constraint: {:?}", def); @@ -313,7 +313,7 @@ crate fn adt_dtorck_constraint<'tcx>( Ok(result) } -fn dedup_dtorck_constraint<'tcx>(c: &mut DtorckConstraint<'tcx>) { +fn dedup_dtorck_constraint(c: &mut DtorckConstraint<'_>) { let mut outlives = FxHashSet::default(); let mut dtorck_types = FxHashSet::default(); diff --git a/src/librustc_traits/lowering/environment.rs b/src/librustc_traits/lowering/environment.rs index 01736855831..9ff685bb4ee 100644 --- a/src/librustc_traits/lowering/environment.rs +++ b/src/librustc_traits/lowering/environment.rs @@ -160,7 +160,7 @@ crate fn program_clauses_for_env<'tcx>( ); } -crate fn environment<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Environment<'tcx> { +crate fn environment(tcx: TyCtxt<'_>, def_id: DefId) -> Environment<'_> { use super::{Lower, IntoFromEnvGoal}; use rustc::hir::{Node, TraitItemKind, ImplItemKind, ItemKind, ForeignItemKind}; diff --git a/src/librustc_traits/lowering/mod.rs b/src/librustc_traits/lowering/mod.rs index 2a661310161..b0d9134c834 100644 --- a/src/librustc_traits/lowering/mod.rs +++ b/src/librustc_traits/lowering/mod.rs @@ -155,7 +155,7 @@ impl<'tcx> IntoWellFormedGoal for DomainGoal<'tcx> { } } -crate fn program_clauses_for<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses<'tcx> { +crate fn program_clauses_for(tcx: TyCtxt<'_>, def_id: DefId) -> Clauses<'_> { // FIXME(eddyb) this should only be using `def_kind`. match tcx.def_key(def_id).disambiguated_data.data { DefPathData::TypeNs(..) => match tcx.def_kind(def_id) { @@ -181,7 +181,7 @@ crate fn program_clauses_for<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses< } } -fn program_clauses_for_trait<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses<'tcx> { +fn program_clauses_for_trait(tcx: TyCtxt<'_>, def_id: DefId) -> Clauses<'_> { // `trait Trait<P1..Pn> where WC { .. } // P0 == Self` // Rule Implemented-From-Env (see rustc guide) @@ -337,7 +337,7 @@ fn program_clauses_for_impl(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses<'tcx> { tcx.mk_clauses(iter::once(Clause::ForAll(ty::Binder::bind(clause)))) } -pub fn program_clauses_for_type_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses<'tcx> { +pub fn program_clauses_for_type_def(tcx: TyCtxt<'_>, def_id: DefId) -> Clauses<'_> { // Rule WellFormed-Type // // `struct Ty<P1..Pn> where WC1, ..., WCm` @@ -411,10 +411,10 @@ pub fn program_clauses_for_type_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> C tcx.mk_clauses(iter::once(well_formed_clause).chain(from_env_clauses)) } -pub fn program_clauses_for_associated_type_def<'tcx>( - tcx: TyCtxt<'tcx>, +pub fn program_clauses_for_associated_type_def( + tcx: TyCtxt<'_>, item_id: DefId, -) -> Clauses<'tcx> { +) -> Clauses<'_> { // Rule ProjectionEq-Placeholder // // ``` @@ -549,10 +549,10 @@ pub fn program_clauses_for_associated_type_def<'tcx>( tcx.mk_clauses(clauses) } -pub fn program_clauses_for_associated_type_value<'tcx>( - tcx: TyCtxt<'tcx>, +pub fn program_clauses_for_associated_type_value( + tcx: TyCtxt<'_>, item_id: DefId, -) -> Clauses<'tcx> { +) -> Clauses<'_> { // Rule Normalize-From-Impl (see rustc guide) // // ``` @@ -611,7 +611,7 @@ pub fn program_clauses_for_associated_type_value<'tcx>( tcx.mk_clauses(iter::once(normalize_clause)) } -pub fn dump_program_clauses<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn dump_program_clauses(tcx: TyCtxt<'_>) { if !tcx.features().rustc_attrs { return; } diff --git a/src/librustc_typeck/check/dropck.rs b/src/librustc_typeck/check/dropck.rs index a2621abf44d..c4c4e10a14c 100644 --- a/src/librustc_typeck/check/dropck.rs +++ b/src/librustc_typeck/check/dropck.rs @@ -29,7 +29,7 @@ use syntax_pos::Span; /// struct/enum definition for the nominal type itself (i.e. /// cannot do `struct S<T>; impl<T:Clone> Drop for S<T> { ... }`). /// -pub fn check_drop_impl<'tcx>(tcx: TyCtxt<'tcx>, drop_impl_did: DefId) -> Result<(), ErrorReported> { +pub fn check_drop_impl(tcx: TyCtxt<'_>, drop_impl_did: DefId) -> Result<(), ErrorReported> { let dtor_self_type = tcx.type_of(drop_impl_did); let dtor_predicates = tcx.predicates_of(drop_impl_did); match dtor_self_type.sty { diff --git a/src/librustc_typeck/check/intrinsic.rs b/src/librustc_typeck/check/intrinsic.rs index 8c2b8d1565f..9b1a8913822 100644 --- a/src/librustc_typeck/check/intrinsic.rs +++ b/src/librustc_typeck/check/intrinsic.rs @@ -79,7 +79,7 @@ pub fn intrisic_operation_unsafety(intrinsic: &str) -> hir::Unsafety { /// Remember to add all intrinsics here, in librustc_codegen_llvm/intrinsic.rs, /// and in libcore/intrinsics.rs -pub fn check_intrinsic_type<'tcx>(tcx: TyCtxt<'tcx>, it: &hir::ForeignItem) { +pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem) { let param = |n| tcx.mk_ty_param(n, InternedString::intern(&format!("P{}", n))); let name = it.ident.as_str(); @@ -385,7 +385,7 @@ pub fn check_intrinsic_type<'tcx>(tcx: TyCtxt<'tcx>, it: &hir::ForeignItem) { } /// Type-check `extern "platform-intrinsic" { ... }` functions. -pub fn check_platform_intrinsic_type<'tcx>(tcx: TyCtxt<'tcx>, it: &hir::ForeignItem) { +pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem) { let param = |n| { let name = InternedString::intern(&format!("P{}", n)); tcx.mk_ty_param(n, name) diff --git a/src/librustc_typeck/check/method/suggest.rs b/src/librustc_typeck/check/method/suggest.rs index fa1b07d2dcf..be00a6efe55 100644 --- a/src/librustc_typeck/check/method/suggest.rs +++ b/src/librustc_typeck/check/method/suggest.rs @@ -775,12 +775,12 @@ impl Ord for TraitInfo { } /// Retrieves all traits in this crate and any dependent crates. -pub fn all_traits<'tcx>(tcx: TyCtxt<'tcx>) -> Vec<TraitInfo> { +pub fn all_traits(tcx: TyCtxt<'_>) -> Vec<TraitInfo> { tcx.all_traits(LOCAL_CRATE).iter().map(|&def_id| TraitInfo { def_id }).collect() } /// Computes all traits in this crate and any dependent crates. -fn compute_all_traits<'tcx>(tcx: TyCtxt<'tcx>) -> Vec<DefId> { +fn compute_all_traits(tcx: TyCtxt<'_>) -> Vec<DefId> { use hir::itemlikevisit; let mut traits = vec![]; diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs index 907cc23d667..fb7d681a72d 100644 --- a/src/librustc_typeck/check/mod.rs +++ b/src/librustc_typeck/check/mod.rs @@ -698,31 +698,31 @@ impl ItemLikeVisitor<'tcx> for CheckItemTypesVisitor<'tcx> { fn visit_impl_item(&mut self, _: &'tcx hir::ImplItem) { } } -pub fn check_wf_new<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_wf_new(tcx: TyCtxt<'_>) { let mut visit = wfcheck::CheckTypeWellFormedVisitor::new(tcx); tcx.hir().krate().par_visit_all_item_likes(&mut visit); } -fn check_mod_item_types<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_item_types(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module(module_def_id, &mut CheckItemTypesVisitor { tcx }); } -fn typeck_item_bodies<'tcx>(tcx: TyCtxt<'tcx>, crate_num: CrateNum) { +fn typeck_item_bodies(tcx: TyCtxt<'_>, crate_num: CrateNum) { debug_assert!(crate_num == LOCAL_CRATE); tcx.par_body_owners(|body_owner_def_id| { tcx.ensure().typeck_tables_of(body_owner_def_id); }); } -fn check_item_well_formed<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +fn check_item_well_formed(tcx: TyCtxt<'_>, def_id: DefId) { wfcheck::check_item_well_formed(tcx, def_id); } -fn check_trait_item_well_formed<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +fn check_trait_item_well_formed(tcx: TyCtxt<'_>, def_id: DefId) { wfcheck::check_trait_item(tcx, def_id); } -fn check_impl_item_well_formed<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +fn check_impl_item_well_formed(tcx: TyCtxt<'_>, def_id: DefId) { wfcheck::check_impl_item(tcx, def_id); } @@ -742,7 +742,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn adt_destructor<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<ty::Destructor> { +fn adt_destructor(tcx: TyCtxt<'_>, def_id: DefId) -> Option<ty::Destructor> { tcx.calculate_dtor(def_id, &mut dropck::check_drop_impl) } @@ -755,10 +755,10 @@ fn adt_destructor<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<ty::Destruct /// may not succeed. In some cases where this function returns `None` /// (notably closures), `typeck_tables(def_id)` would wind up /// redirecting to the owning function. -fn primary_body_of<'tcx>( - tcx: TyCtxt<'tcx>, +fn primary_body_of( + tcx: TyCtxt<'_>, id: hir::HirId, -) -> Option<(hir::BodyId, Option<&'tcx hir::FnDecl>)> { +) -> Option<(hir::BodyId, Option<&hir::FnDecl>)> { match tcx.hir().get(id) { Node::Item(item) => { match item.node { @@ -796,7 +796,7 @@ fn primary_body_of<'tcx>( } } -fn has_typeck_tables<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn has_typeck_tables(tcx: TyCtxt<'_>, def_id: DefId) -> bool { // Closures' tables come from their outermost function, // as they are part of the same "inference environment". let outer_def_id = tcx.closure_base_def_id(def_id); @@ -808,11 +808,11 @@ fn has_typeck_tables<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { primary_body_of(tcx, id).is_some() } -fn used_trait_imports<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx DefIdSet { +fn used_trait_imports(tcx: TyCtxt<'_>, def_id: DefId) -> &DefIdSet { &*tcx.typeck_tables_of(def_id).used_trait_imports } -fn typeck_tables_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::TypeckTables<'tcx> { +fn typeck_tables_of(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::TypeckTables<'_> { // Closures' tables come from their outermost function, // as they are part of the same "inference environment". let outer_def_id = tcx.closure_base_def_id(def_id); @@ -913,7 +913,7 @@ fn typeck_tables_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::TypeckT tables } -fn check_abi<'tcx>(tcx: TyCtxt<'tcx>, span: Span, abi: Abi) { +fn check_abi(tcx: TyCtxt<'_>, span: Span, abi: Abi) { if !tcx.sess.target.target.is_abi_supported(abi) { struct_span_err!(tcx.sess, span, E0570, "The ABI `{}` is not supported for the current target", abi).emit() @@ -1291,7 +1291,7 @@ fn check_fn<'a, 'tcx>( (fcx, gen_ty) } -fn check_struct<'tcx>(tcx: TyCtxt<'tcx>, id: hir::HirId, span: Span) { +fn check_struct(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) { let def_id = tcx.hir().local_def_id_from_hir_id(id); let def = tcx.adt_def(def_id); def.destructor(tcx); // force the destructor to be evaluated @@ -1305,7 +1305,7 @@ fn check_struct<'tcx>(tcx: TyCtxt<'tcx>, id: hir::HirId, span: Span) { check_packed(tcx, span, def_id); } -fn check_union<'tcx>(tcx: TyCtxt<'tcx>, id: hir::HirId, span: Span) { +fn check_union(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) { let def_id = tcx.hir().local_def_id_from_hir_id(id); let def = tcx.adt_def(def_id); def.destructor(tcx); // force the destructor to be evaluated @@ -1467,14 +1467,14 @@ fn maybe_check_static_with_link_section(tcx: TyCtxt<'_>, id: DefId, span: Span) } } -fn check_on_unimplemented<'tcx>(tcx: TyCtxt<'tcx>, trait_def_id: DefId, item: &hir::Item) { +fn check_on_unimplemented(tcx: TyCtxt<'_>, trait_def_id: DefId, item: &hir::Item) { let item_def_id = tcx.hir().local_def_id_from_hir_id(item.hir_id); // an error would be reported if this fails. let _ = traits::OnUnimplementedDirective::of_item(tcx, trait_def_id, item_def_id); } -fn report_forbidden_specialization<'tcx>( - tcx: TyCtxt<'tcx>, +fn report_forbidden_specialization( + tcx: TyCtxt<'_>, impl_item: &hir::ImplItem, parent_impl: DefId, ) { @@ -1690,7 +1690,7 @@ fn check_impl_items_against_trait<'tcx>( /// Checks whether a type can be represented in memory. In particular, it /// identifies types that contain themselves without indirection through a /// pointer, which would mean their size is unbounded. -fn check_representable<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, item_def_id: DefId) -> bool { +fn check_representable(tcx: TyCtxt<'_>, sp: Span, item_def_id: DefId) -> bool { let rty = tcx.type_of(item_def_id); // Check that it is possible to represent this type. This call identifies @@ -1712,7 +1712,7 @@ fn check_representable<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, item_def_id: DefId) -> return true; } -pub fn check_simd<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, def_id: DefId) { +pub fn check_simd(tcx: TyCtxt<'_>, sp: Span, def_id: DefId) { let t = tcx.type_of(def_id); if let ty::Adt(def, substs) = t.sty { if def.is_struct() { @@ -1741,7 +1741,7 @@ pub fn check_simd<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, def_id: DefId) { } } -fn check_packed<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, def_id: DefId) { +fn check_packed(tcx: TyCtxt<'_>, sp: Span, def_id: DefId) { let repr = tcx.adt_def(def_id).repr; if repr.packed() { for attr in tcx.get_attrs(def_id).iter() { @@ -1765,7 +1765,7 @@ fn check_packed<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, def_id: DefId) { } } -fn check_packed_inner<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, stack: &mut Vec<DefId>) -> bool { +fn check_packed_inner(tcx: TyCtxt<'_>, def_id: DefId, stack: &mut Vec<DefId>) -> bool { let t = tcx.type_of(def_id); if stack.contains(&def_id) { debug!("check_packed_inner: {:?} is recursive", t); @@ -1839,7 +1839,7 @@ fn bad_non_zero_sized_fields<'tcx>( err.emit(); } -fn check_transparent<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, def_id: DefId) { +fn check_transparent(tcx: TyCtxt<'_>, sp: Span, def_id: DefId) { let adt = tcx.adt_def(def_id); if !adt.repr.transparent() { return; @@ -1988,7 +1988,7 @@ pub fn check_enum<'tcx>(tcx: TyCtxt<'tcx>, sp: Span, vs: &'tcx [hir::Variant], i check_transparent(tcx, sp, def_id); } -fn report_unexpected_variant_res<'tcx>(tcx: TyCtxt<'tcx>, res: Res, span: Span, qpath: &QPath) { +fn report_unexpected_variant_res(tcx: TyCtxt<'_>, res: Res, span: Span, qpath: &QPath) { span_err!(tcx.sess, span, E0533, "expected unit struct/variant or constant, found {} `{}`", res.descr(), diff --git a/src/librustc_typeck/check/wfcheck.rs b/src/librustc_typeck/check/wfcheck.rs index d612d042f7f..2c48bd8b4f0 100644 --- a/src/librustc_typeck/check/wfcheck.rs +++ b/src/librustc_typeck/check/wfcheck.rs @@ -68,7 +68,7 @@ impl<'tcx> CheckWfFcxBuilder<'tcx> { /// We do this check as a pre-pass before checking fn bodies because if these constraints are /// not included it frequently leads to confusing errors in fn bodies. So it's better to check /// the types first. -pub fn check_item_well_formed<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +pub fn check_item_well_formed(tcx: TyCtxt<'_>, def_id: DefId) { let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); let item = tcx.hir().expect_item(hir_id); @@ -156,7 +156,7 @@ pub fn check_item_well_formed<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { } } -pub fn check_trait_item<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +pub fn check_trait_item(tcx: TyCtxt<'_>, def_id: DefId) { let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); let trait_item = tcx.hir().expect_trait_item(hir_id); @@ -167,7 +167,7 @@ pub fn check_trait_item<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { check_associated_item(tcx, trait_item.hir_id, trait_item.span, method_sig); } -pub fn check_impl_item<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +pub fn check_impl_item(tcx: TyCtxt<'_>, def_id: DefId) { let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); let impl_item = tcx.hir().expect_impl_item(hir_id); @@ -178,8 +178,8 @@ pub fn check_impl_item<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { check_associated_item(tcx, impl_item.hir_id, impl_item.span, method_sig); } -fn check_associated_item<'tcx>( - tcx: TyCtxt<'tcx>, +fn check_associated_item( + tcx: TyCtxt<'_>, item_id: hir::HirId, span: Span, sig_if_method: Option<&hir::MethodSig>, @@ -231,7 +231,7 @@ fn for_item<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item) -> CheckWfFcxBuilder<'tcx for_id(tcx, item.hir_id, item.span) } -fn for_id<'tcx>(tcx: TyCtxt<'tcx>, id: hir::HirId, span: Span) -> CheckWfFcxBuilder<'tcx> { +fn for_id(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) -> CheckWfFcxBuilder<'_> { let def_id = tcx.hir().local_def_id_from_hir_id(id); CheckWfFcxBuilder { inherited: Inherited::build(tcx, def_id), @@ -317,7 +317,7 @@ fn check_type_defn<'tcx, F>( }); } -fn check_trait<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item) { +fn check_trait(tcx: TyCtxt<'_>, item: &hir::Item) { debug!("check_trait: {:?}", item.hir_id); let trait_def_id = tcx.hir().local_def_id_from_hir_id(item.hir_id); @@ -340,7 +340,7 @@ fn check_trait<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item) { }); } -fn check_item_fn<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item) { +fn check_item_fn(tcx: TyCtxt<'_>, item: &hir::Item) { for_item(tcx, item).with_fcx(|fcx, tcx| { let def_id = fcx.tcx.hir().local_def_id_from_hir_id(item.hir_id); let sig = fcx.tcx.fn_sig(def_id); @@ -352,8 +352,8 @@ fn check_item_fn<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item) { }) } -fn check_item_type<'tcx>( - tcx: TyCtxt<'tcx>, +fn check_item_type( + tcx: TyCtxt<'_>, item_id: hir::HirId, ty_span: Span, allow_foreign_ty: bool, @@ -980,7 +980,7 @@ fn check_variances_for_type_defn<'tcx>( } } -fn report_bivariance<'tcx>(tcx: TyCtxt<'tcx>, span: Span, param_name: ast::Name) { +fn report_bivariance(tcx: TyCtxt<'_>, span: Span, param_name: ast::Name) { let mut err = error_392(tcx, span, param_name); let suggested_marker_id = tcx.lang_items().phantom_data(); @@ -1023,7 +1023,7 @@ fn reject_shadowing_parameters(tcx: TyCtxt<'_>, def_id: DefId) { /// Feature gates RFC 2056 -- trivial bounds, checking for global bounds that /// aren't true. -fn check_false_global_bounds<'a, 'tcx>(fcx: &FnCtxt<'a, 'tcx>, span: Span, id: hir::HirId) { +fn check_false_global_bounds(fcx: &FnCtxt<'_, '_>, span: Span, id: hir::HirId) { let empty_env = ty::ParamEnv::empty(); let def_id = fcx.tcx.hir().local_def_id_from_hir_id(id); @@ -1135,11 +1135,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } -fn error_392<'tcx>( - tcx: TyCtxt<'tcx>, +fn error_392( + tcx: TyCtxt<'_>, span: Span, param_name: ast::Name, -) -> DiagnosticBuilder<'tcx> { +) -> DiagnosticBuilder<'_> { let mut err = struct_span_err!(tcx.sess, span, E0392, "parameter `{}` is never used", param_name); err.span_label(span, "unused parameter"); diff --git a/src/librustc_typeck/check_unused.rs b/src/librustc_typeck/check_unused.rs index 7e781eeec56..8614de19770 100644 --- a/src/librustc_typeck/check_unused.rs +++ b/src/librustc_typeck/check_unused.rs @@ -13,7 +13,7 @@ use rustc::util::nodemap::DefIdSet; use rustc_data_structures::fx::FxHashMap; -pub fn check_crate<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_crate(tcx: TyCtxt<'_>) { let mut used_trait_imports = DefIdSet::default(); for &body_id in tcx.hir().krate().bodies.keys() { let item_def_id = tcx.hir().body_owner_def_id(body_id); @@ -70,7 +70,7 @@ impl CheckVisitor<'tcx> { } } -fn unused_crates_lint<'tcx>(tcx: TyCtxt<'tcx>) { +fn unused_crates_lint(tcx: TyCtxt<'_>) { let lint = lint::builtin::UNUSED_EXTERN_CRATES; // Collect first the crates that are completely unused. These we diff --git a/src/librustc_typeck/coherence/builtin.rs b/src/librustc_typeck/coherence/builtin.rs index 42deeaf31f4..68bdcbfe3fd 100644 --- a/src/librustc_typeck/coherence/builtin.rs +++ b/src/librustc_typeck/coherence/builtin.rs @@ -17,7 +17,7 @@ use rustc::hir::def_id::DefId; use hir::Node; use rustc::hir::{self, ItemKind}; -pub fn check_trait<'tcx>(tcx: TyCtxt<'tcx>, trait_def_id: DefId) { +pub fn check_trait(tcx: TyCtxt<'_>, trait_def_id: DefId) { Checker { tcx, trait_def_id } .check(tcx.lang_items().drop_trait(), visit_implementation_of_drop) .check(tcx.lang_items().copy_trait(), visit_implementation_of_copy) @@ -46,7 +46,7 @@ impl<'tcx> Checker<'tcx> { } } -fn visit_implementation_of_drop<'tcx>(tcx: TyCtxt<'tcx>, impl_did: DefId) { +fn visit_implementation_of_drop(tcx: TyCtxt<'_>, impl_did: DefId) { if let ty::Adt(..) = tcx.type_of(impl_did).sty { /* do nothing */ } else { @@ -74,7 +74,7 @@ fn visit_implementation_of_drop<'tcx>(tcx: TyCtxt<'tcx>, impl_did: DefId) { } } -fn visit_implementation_of_copy<'tcx>(tcx: TyCtxt<'tcx>, impl_did: DefId) { +fn visit_implementation_of_copy(tcx: TyCtxt<'_>, impl_did: DefId) { debug!("visit_implementation_of_copy: impl_did={:?}", impl_did); let impl_hir_id = if let Some(n) = tcx.hir().as_local_hir_id(impl_did) { @@ -154,7 +154,7 @@ fn visit_implementation_of_coerce_unsized(tcx: TyCtxt<'tcx>, impl_did: DefId) { } } -fn visit_implementation_of_dispatch_from_dyn<'tcx>(tcx: TyCtxt<'tcx>, impl_did: DefId) { +fn visit_implementation_of_dispatch_from_dyn(tcx: TyCtxt<'_>, impl_did: DefId) { debug!("visit_implementation_of_dispatch_from_dyn: impl_did={:?}", impl_did); if impl_did.is_local() { diff --git a/src/librustc_typeck/coherence/inherent_impls.rs b/src/librustc_typeck/coherence/inherent_impls.rs index 6088c03fc06..f208c6a138d 100644 --- a/src/librustc_typeck/coherence/inherent_impls.rs +++ b/src/librustc_typeck/coherence/inherent_impls.rs @@ -17,10 +17,10 @@ use syntax::ast; use syntax_pos::Span; /// On-demand query: yields a map containing all types mapped to their inherent impls. -pub fn crate_inherent_impls<'tcx>( - tcx: TyCtxt<'tcx>, +pub fn crate_inherent_impls( + tcx: TyCtxt<'_>, crate_num: CrateNum, -) -> &'tcx CrateInherentImpls { +) -> &CrateInherentImpls { assert_eq!(crate_num, LOCAL_CRATE); let krate = tcx.hir().krate(); @@ -33,7 +33,7 @@ pub fn crate_inherent_impls<'tcx>( } /// On-demand query: yields a vector of the inherent impls for a specific type. -pub fn inherent_impls<'tcx>(tcx: TyCtxt<'tcx>, ty_def_id: DefId) -> &'tcx [DefId] { +pub fn inherent_impls(tcx: TyCtxt<'_>, ty_def_id: DefId) -> &[DefId] { assert!(ty_def_id.is_local()); // NB. Until we adopt the red-green dep-tracking algorithm (see diff --git a/src/librustc_typeck/coherence/inherent_impls_overlap.rs b/src/librustc_typeck/coherence/inherent_impls_overlap.rs index aae1b1777a3..1785304fb1d 100644 --- a/src/librustc_typeck/coherence/inherent_impls_overlap.rs +++ b/src/librustc_typeck/coherence/inherent_impls_overlap.rs @@ -5,7 +5,7 @@ use rustc::hir::itemlikevisit::ItemLikeVisitor; use rustc::traits::{self, IntercrateMode}; use rustc::ty::TyCtxt; -pub fn crate_inherent_impls_overlap_check<'tcx>(tcx: TyCtxt<'tcx>, crate_num: CrateNum) { +pub fn crate_inherent_impls_overlap_check(tcx: TyCtxt<'_>, crate_num: CrateNum) { assert_eq!(crate_num, LOCAL_CRATE); let krate = tcx.hir().krate(); krate.visit_all_item_likes(&mut InherentOverlapChecker { tcx }); diff --git a/src/librustc_typeck/coherence/mod.rs b/src/librustc_typeck/coherence/mod.rs index 4336e861ce2..9b9789139b7 100644 --- a/src/librustc_typeck/coherence/mod.rs +++ b/src/librustc_typeck/coherence/mod.rs @@ -18,7 +18,7 @@ mod inherent_impls_overlap; mod orphan; mod unsafety; -fn check_impl<'tcx>(tcx: TyCtxt<'tcx>, hir_id: HirId) { +fn check_impl(tcx: TyCtxt<'_>, hir_id: HirId) { let impl_def_id = tcx.hir().local_def_id_from_hir_id(hir_id); // If there are no traits, then this implementation must have a @@ -124,7 +124,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn coherent_trait<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { +fn coherent_trait(tcx: TyCtxt<'_>, def_id: DefId) { let impls = tcx.hir().trait_impls(def_id); for &impl_id in impls { check_impl(tcx, impl_id); @@ -135,7 +135,7 @@ fn coherent_trait<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) { builtin::check_trait(tcx, def_id); } -pub fn check_coherence<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check_coherence(tcx: TyCtxt<'_>) { for &trait_def_id in tcx.hir().krate().trait_impls.keys() { tcx.ensure().coherent_trait(trait_def_id); } @@ -151,7 +151,7 @@ pub fn check_coherence<'tcx>(tcx: TyCtxt<'tcx>) { /// Overlap: no two impls for the same trait are implemented for the /// same type. Likewise, no two inherent impls for a given type /// constructor provide a method with the same name. -fn check_impl_overlap<'tcx>(tcx: TyCtxt<'tcx>, hir_id: HirId) { +fn check_impl_overlap(tcx: TyCtxt<'_>, hir_id: HirId) { let impl_def_id = tcx.hir().local_def_id_from_hir_id(hir_id); let trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap(); let trait_def_id = trait_ref.def_id; diff --git a/src/librustc_typeck/coherence/orphan.rs b/src/librustc_typeck/coherence/orphan.rs index 4e6fcfe0593..2d0faecd8ee 100644 --- a/src/librustc_typeck/coherence/orphan.rs +++ b/src/librustc_typeck/coherence/orphan.rs @@ -6,7 +6,7 @@ use rustc::ty::{self, TyCtxt}; use rustc::hir::itemlikevisit::ItemLikeVisitor; use rustc::hir; -pub fn check<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check(tcx: TyCtxt<'_>) { let mut orphan = OrphanChecker { tcx }; tcx.hir().krate().visit_all_item_likes(&mut orphan); } diff --git a/src/librustc_typeck/coherence/unsafety.rs b/src/librustc_typeck/coherence/unsafety.rs index c41a0e1514e..123d7c6123b 100644 --- a/src/librustc_typeck/coherence/unsafety.rs +++ b/src/librustc_typeck/coherence/unsafety.rs @@ -5,7 +5,7 @@ use rustc::ty::TyCtxt; use rustc::hir::itemlikevisit::ItemLikeVisitor; use rustc::hir::{self, Unsafety}; -pub fn check<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn check(tcx: TyCtxt<'_>) { let mut unsafety = UnsafetyChecker { tcx }; tcx.hir().krate().visit_all_item_likes(&mut unsafety); } diff --git a/src/librustc_typeck/collect.rs b/src/librustc_typeck/collect.rs index 8464a710a4a..e5802179ec4 100644 --- a/src/librustc_typeck/collect.rs +++ b/src/librustc_typeck/collect.rs @@ -56,7 +56,7 @@ struct OnlySelfBounds(bool); /////////////////////////////////////////////////////////////////////////// // Main entry point -fn collect_mod_item_types<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn collect_mod_item_types(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module( module_def_id, &mut CollectItemTypesVisitor { tcx }.as_deep_visitor() @@ -253,10 +253,10 @@ impl AstConv<'tcx> for ItemCtxt<'tcx> { } } -fn type_param_predicates<'tcx>( - tcx: TyCtxt<'tcx>, +fn type_param_predicates( + tcx: TyCtxt<'_>, (item_def_id, def_id): (DefId, DefId), -) -> &'tcx ty::GenericPredicates<'tcx> { +) -> &ty::GenericPredicates<'_> { use rustc::hir::*; // In the AST, bounds can derive from two places. Either @@ -381,7 +381,7 @@ impl ItemCtxt<'tcx> { /// parameter with ID `param_id`. We use this so as to avoid running /// `ast_ty_to_ty`, because we want to avoid triggering an all-out /// conversion of the type to avoid inducing unnecessary cycles. -fn is_param<'tcx>(tcx: TyCtxt<'tcx>, ast_ty: &hir::Ty, param_id: hir::HirId) -> bool { +fn is_param(tcx: TyCtxt<'_>, ast_ty: &hir::Ty, param_id: hir::HirId) -> bool { if let hir::TyKind::Path(hir::QPath::Resolved(None, ref path)) = ast_ty.node { match path.res { Res::SelfTy(Some(def_id), None) | Res::Def(DefKind::TyParam, def_id) => { @@ -394,7 +394,7 @@ fn is_param<'tcx>(tcx: TyCtxt<'tcx>, ast_ty: &hir::Ty, param_id: hir::HirId) -> } } -fn convert_item<'tcx>(tcx: TyCtxt<'tcx>, item_id: hir::HirId) { +fn convert_item(tcx: TyCtxt<'_>, item_id: hir::HirId) { let it = tcx.hir().expect_item(item_id); debug!("convert: item {} with id {}", it.ident, it.hir_id); let def_id = tcx.hir().local_def_id_from_hir_id(item_id); @@ -476,7 +476,7 @@ fn convert_item<'tcx>(tcx: TyCtxt<'tcx>, item_id: hir::HirId) { } } -fn convert_trait_item<'tcx>(tcx: TyCtxt<'tcx>, trait_item_id: hir::HirId) { +fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::HirId) { let trait_item = tcx.hir().expect_trait_item(trait_item_id); let def_id = tcx.hir().local_def_id_from_hir_id(trait_item.hir_id); tcx.generics_of(def_id); @@ -497,7 +497,7 @@ fn convert_trait_item<'tcx>(tcx: TyCtxt<'tcx>, trait_item_id: hir::HirId) { tcx.predicates_of(def_id); } -fn convert_impl_item<'tcx>(tcx: TyCtxt<'tcx>, impl_item_id: hir::HirId) { +fn convert_impl_item(tcx: TyCtxt<'_>, impl_item_id: hir::HirId) { let def_id = tcx.hir().local_def_id_from_hir_id(impl_item_id); tcx.generics_of(def_id); tcx.type_of(def_id); @@ -507,7 +507,7 @@ fn convert_impl_item<'tcx>(tcx: TyCtxt<'tcx>, impl_item_id: hir::HirId) { } } -fn convert_variant_ctor<'tcx>(tcx: TyCtxt<'tcx>, ctor_id: hir::HirId) { +fn convert_variant_ctor(tcx: TyCtxt<'_>, ctor_id: hir::HirId) { let def_id = tcx.hir().local_def_id_from_hir_id(ctor_id); tcx.generics_of(def_id); tcx.type_of(def_id); @@ -562,8 +562,8 @@ fn convert_enum_variant_types<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, variants: } } -fn convert_variant<'tcx>( - tcx: TyCtxt<'tcx>, +fn convert_variant( + tcx: TyCtxt<'_>, variant_did: Option<DefId>, ctor_did: Option<DefId>, ident: Ident, @@ -619,7 +619,7 @@ fn convert_variant<'tcx>( ) } -fn adt_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::AdtDef { +fn adt_def(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::AdtDef { use rustc::hir::*; let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); @@ -686,10 +686,10 @@ fn adt_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::AdtDef { /// Ensures that the super-predicates of the trait with a `DefId` /// of `trait_def_id` are converted and stored. This also ensures that /// the transitive super-predicates are converted. -fn super_predicates_of<'tcx>( - tcx: TyCtxt<'tcx>, +fn super_predicates_of( + tcx: TyCtxt<'_>, trait_def_id: DefId, -) -> &'tcx ty::GenericPredicates<'tcx> { +) -> &ty::GenericPredicates<'_> { debug!("super_predicates(trait_def_id={:?})", trait_def_id); let trait_hir_id = tcx.hir().as_local_hir_id(trait_def_id).unwrap(); @@ -740,7 +740,7 @@ fn super_predicates_of<'tcx>( }) } -fn trait_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::TraitDef { +fn trait_def(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::TraitDef { let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); let item = tcx.hir().expect_item(hir_id); @@ -879,7 +879,7 @@ fn has_late_bound_regions<'tcx>(tcx: TyCtxt<'tcx>, node: Node<'tcx>) -> Option<S } } -fn generics_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::Generics { +fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::Generics { use rustc::hir::*; let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); @@ -1122,7 +1122,7 @@ fn generics_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::Generics { }) } -fn report_assoc_ty_on_inherent_impl<'tcx>(tcx: TyCtxt<'tcx>, span: Span) { +fn report_assoc_ty_on_inherent_impl(tcx: TyCtxt<'_>, span: Span) { span_err!( tcx.sess, span, @@ -1131,7 +1131,7 @@ fn report_assoc_ty_on_inherent_impl<'tcx>(tcx: TyCtxt<'tcx>, span: Span) { ); } -fn type_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Ty<'tcx> { +fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { checked_type_of(tcx, def_id, true).unwrap() } @@ -1139,7 +1139,7 @@ fn type_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Ty<'tcx> { /// /// If you want to fail anyway, you can set the `fail` parameter to true, but in this case, /// you'd better just call [`type_of`] directly. -pub fn checked_type_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, fail: bool) -> Option<Ty<'tcx>> { +pub fn checked_type_of(tcx: TyCtxt<'_>, def_id: DefId, fail: bool) -> Option<Ty<'_>> { use rustc::hir::*; let hir_id = match tcx.hir().as_local_hir_id(def_id) { @@ -1464,7 +1464,7 @@ pub fn checked_type_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, fail: bool) -> Op }) } -fn find_existential_constraints<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Ty<'tcx> { +fn find_existential_constraints(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { use rustc::hir::{ImplItem, Item, TraitItem}; debug!("find_existential_constraints({:?})", def_id); @@ -1682,7 +1682,7 @@ fn find_existential_constraints<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Ty<'t } } -fn fn_sig<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::PolyFnSig<'tcx> { +fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { use rustc::hir::*; use rustc::hir::Node::*; @@ -1758,7 +1758,7 @@ fn fn_sig<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::PolyFnSig<'tcx> { } } -fn impl_trait_ref<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<ty::TraitRef<'tcx>> { +fn impl_trait_ref(tcx: TyCtxt<'_>, def_id: DefId) -> Option<ty::TraitRef<'_>> { let icx = ItemCtxt::new(tcx, def_id); let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); @@ -1773,7 +1773,7 @@ fn impl_trait_ref<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<ty::TraitRef } } -fn impl_polarity<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> hir::ImplPolarity { +fn impl_polarity(tcx: TyCtxt<'_>, def_id: DefId) -> hir::ImplPolarity { let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap(); match tcx.hir().expect_item(hir_id).node { hir::ItemKind::Impl(_, polarity, ..) => polarity, @@ -1804,10 +1804,10 @@ fn early_bound_lifetimes_from_generics<'a, 'tcx: 'a>( /// Returns a list of type predicates for the definition with ID `def_id`, including inferred /// lifetime constraints. This includes all predicates returned by `explicit_predicates_of`, plus /// inferred constraints concerning which regions outlive other regions. -fn predicates_defined_on<'tcx>( - tcx: TyCtxt<'tcx>, +fn predicates_defined_on( + tcx: TyCtxt<'_>, def_id: DefId, -) -> &'tcx ty::GenericPredicates<'tcx> { +) -> &ty::GenericPredicates<'_> { debug!("predicates_defined_on({:?})", def_id); let mut result = tcx.explicit_predicates_of(def_id); debug!( @@ -1834,7 +1834,7 @@ fn predicates_defined_on<'tcx>( /// Returns a list of all type predicates (explicit and implicit) for the definition with /// ID `def_id`. This includes all predicates returned by `predicates_defined_on`, plus /// `Self: Trait` predicates for traits. -fn predicates_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::GenericPredicates<'tcx> { +fn predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> &ty::GenericPredicates<'_> { let mut result = tcx.predicates_defined_on(def_id); if tcx.is_trait(def_id) { @@ -1861,10 +1861,10 @@ fn predicates_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx ty::GenericPre /// Returns a list of user-specified type predicates for the definition with ID `def_id`. /// N.B., this does not include any implied/inferred constraints. -fn explicit_predicates_of<'tcx>( - tcx: TyCtxt<'tcx>, +fn explicit_predicates_of( + tcx: TyCtxt<'_>, def_id: DefId, -) -> &'tcx ty::GenericPredicates<'tcx> { +) -> &ty::GenericPredicates<'_> { use rustc::hir::*; use rustc_data_structures::fx::FxHashSet; @@ -2271,7 +2271,7 @@ fn compute_sig_of_foreign_fn_decl<'tcx>( fty } -fn is_foreign_item<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { +fn is_foreign_item(tcx: TyCtxt<'_>, def_id: DefId) -> bool { match tcx.hir().get_if_local(def_id) { Some(Node::ForeignItem(..)) => true, Some(_) => false, @@ -2279,7 +2279,7 @@ fn is_foreign_item<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool { } } -fn static_mutability<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Option<hir::Mutability> { +fn static_mutability(tcx: TyCtxt<'_>, def_id: DefId) -> Option<hir::Mutability> { match tcx.hir().get_if_local(def_id) { Some(Node::Item(&hir::Item { node: hir::ItemKind::Static(_, mutbl, _), .. @@ -2387,7 +2387,7 @@ fn from_target_feature( } } -fn linkage_by_name<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, name: &str) -> Linkage { +fn linkage_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: &str) -> Linkage { use rustc::mir::mono::Linkage::*; // Use the names from src/llvm/docs/LangRef.rst here. Most types are only @@ -2422,7 +2422,7 @@ fn linkage_by_name<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, name: &str) -> Linkag } } -fn codegen_fn_attrs<'tcx>(tcx: TyCtxt<'tcx>, id: DefId) -> CodegenFnAttrs { +fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { let attrs = tcx.get_attrs(id); let mut codegen_fn_attrs = CodegenFnAttrs::new(); diff --git a/src/librustc_typeck/impl_wf_check.rs b/src/librustc_typeck/impl_wf_check.rs index b833d8555ee..08c7cbc389a 100644 --- a/src/librustc_typeck/impl_wf_check.rs +++ b/src/librustc_typeck/impl_wf_check.rs @@ -49,7 +49,7 @@ use syntax_pos::Span; /// impl<'a> Trait<Foo> for Bar { type X = &'a i32; } /// // ^ 'a is unused and appears in assoc type, error /// ``` -pub fn impl_wf_check<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn impl_wf_check(tcx: TyCtxt<'_>) { // We will tag this as part of the WF check -- logically, it is, // but it's one that we must perform earlier than the rest of // WfCheck. @@ -58,7 +58,7 @@ pub fn impl_wf_check<'tcx>(tcx: TyCtxt<'tcx>) { } } -fn check_mod_impl_wf<'tcx>(tcx: TyCtxt<'tcx>, module_def_id: DefId) { +fn check_mod_impl_wf(tcx: TyCtxt<'_>, module_def_id: DefId) { tcx.hir().visit_item_likes_in_module( module_def_id, &mut ImplWfCheck { tcx } @@ -92,8 +92,8 @@ impl ItemLikeVisitor<'tcx> for ImplWfCheck<'tcx> { fn visit_impl_item(&mut self, _impl_item: &'tcx hir::ImplItem) { } } -fn enforce_impl_params_are_constrained<'tcx>( - tcx: TyCtxt<'tcx>, +fn enforce_impl_params_are_constrained( + tcx: TyCtxt<'_>, impl_def_id: DefId, impl_item_refs: &[hir::ImplItemRef], ) { @@ -183,7 +183,7 @@ fn report_unused_parameter(tcx: TyCtxt<'_>, span: Span, kind: &str, name: &str) } /// Enforce that we do not have two items in an impl with the same name. -fn enforce_impl_items_are_distinct<'tcx>(tcx: TyCtxt<'tcx>, impl_item_refs: &[hir::ImplItemRef]) { +fn enforce_impl_items_are_distinct(tcx: TyCtxt<'_>, impl_item_refs: &[hir::ImplItemRef]) { let mut seen_type_items = FxHashMap::default(); let mut seen_value_items = FxHashMap::default(); for impl_item_ref in impl_item_refs { diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs index 85ae55b2dd9..56c7544eaf5 100644 --- a/src/librustc_typeck/lib.rs +++ b/src/librustc_typeck/lib.rs @@ -161,7 +161,7 @@ fn require_same_types<'tcx>( }) } -fn check_main_fn_ty<'tcx>(tcx: TyCtxt<'tcx>, main_def_id: DefId) { +fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) { let main_id = tcx.hir().as_local_hir_id(main_def_id).unwrap(); let main_span = tcx.def_span(main_def_id); let main_t = tcx.type_of(main_def_id); @@ -226,7 +226,7 @@ fn check_main_fn_ty<'tcx>(tcx: TyCtxt<'tcx>, main_def_id: DefId) { } } -fn check_start_fn_ty<'tcx>(tcx: TyCtxt<'tcx>, start_def_id: DefId) { +fn check_start_fn_ty(tcx: TyCtxt<'_>, start_def_id: DefId) { let start_id = tcx.hir().as_local_hir_id(start_def_id).unwrap(); let start_span = tcx.def_span(start_def_id); let start_t = tcx.type_of(start_def_id); @@ -283,7 +283,7 @@ fn check_start_fn_ty<'tcx>(tcx: TyCtxt<'tcx>, start_def_id: DefId) { } } -fn check_for_entry_fn<'tcx>(tcx: TyCtxt<'tcx>) { +fn check_for_entry_fn(tcx: TyCtxt<'_>) { match tcx.entry_fn(LOCAL_CRATE) { Some((def_id, EntryFnType::Main)) => check_main_fn_ty(tcx, def_id), Some((def_id, EntryFnType::Start)) => check_start_fn_ty(tcx, def_id), @@ -300,7 +300,7 @@ pub fn provide(providers: &mut Providers<'_>) { impl_wf_check::provide(providers); } -pub fn check_crate<'tcx>(tcx: TyCtxt<'tcx>) -> Result<(), ErrorReported> { +pub fn check_crate(tcx: TyCtxt<'_>) -> Result<(), ErrorReported> { tcx.sess.profiler(|p| p.start_activity("type-check crate")); // this ensures that later parts of type checking can assume that items diff --git a/src/librustc_typeck/outlives/mod.rs b/src/librustc_typeck/outlives/mod.rs index 63e41e01fbf..6b8f6fccd40 100644 --- a/src/librustc_typeck/outlives/mod.rs +++ b/src/librustc_typeck/outlives/mod.rs @@ -20,10 +20,10 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn inferred_outlives_of<'tcx>( - tcx: TyCtxt<'tcx>, +fn inferred_outlives_of( + tcx: TyCtxt<'_>, item_def_id: DefId, -) -> &'tcx [ty::Predicate<'tcx>] { +) -> &[ty::Predicate<'_>] { let id = tcx .hir() .as_local_hir_id(item_def_id) @@ -70,10 +70,10 @@ fn inferred_outlives_of<'tcx>( } } -fn inferred_outlives_crate<'tcx>( - tcx: TyCtxt<'tcx>, +fn inferred_outlives_crate( + tcx: TyCtxt<'_>, crate_num: CrateNum, -) -> &'tcx CratePredicatesMap<'tcx> { +) -> &CratePredicatesMap<'_> { assert_eq!(crate_num, LOCAL_CRATE); // Compute a map from each struct/enum/union S to the **explicit** diff --git a/src/librustc_typeck/outlives/test.rs b/src/librustc_typeck/outlives/test.rs index 4690cb9eada..5ddf95b0f80 100644 --- a/src/librustc_typeck/outlives/test.rs +++ b/src/librustc_typeck/outlives/test.rs @@ -3,7 +3,7 @@ use rustc::hir::itemlikevisit::ItemLikeVisitor; use rustc::ty::TyCtxt; use syntax::symbol::sym; -pub fn test_inferred_outlives<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn test_inferred_outlives(tcx: TyCtxt<'_>) { tcx.hir() .krate() .visit_all_item_likes(&mut OutlivesTest { tcx }); diff --git a/src/librustc_typeck/outlives/utils.rs b/src/librustc_typeck/outlives/utils.rs index c6b0da3fe47..783890da639 100644 --- a/src/librustc_typeck/outlives/utils.rs +++ b/src/librustc_typeck/outlives/utils.rs @@ -125,7 +125,7 @@ pub fn insert_outlives_predicate<'tcx>( } } -fn is_free_region<'tcx>(tcx: TyCtxt<'tcx>, region: Region<'_>) -> bool { +fn is_free_region(tcx: TyCtxt<'_>, region: Region<'_>) -> bool { // First, screen for regions that might appear in a type header. match region { // These correspond to `T: 'a` relationships: diff --git a/src/librustc_typeck/variance/mod.rs b/src/librustc_typeck/variance/mod.rs index 1a8871a3da9..343d7ea656f 100644 --- a/src/librustc_typeck/variance/mod.rs +++ b/src/librustc_typeck/variance/mod.rs @@ -34,7 +34,7 @@ pub fn provide(providers: &mut Providers<'_>) { }; } -fn crate_variances<'tcx>(tcx: TyCtxt<'tcx>, crate_num: CrateNum) -> &'tcx CrateVariancesMap<'tcx> { +fn crate_variances(tcx: TyCtxt<'_>, crate_num: CrateNum) -> &CrateVariancesMap<'_> { assert_eq!(crate_num, LOCAL_CRATE); let mut arena = arena::TypedArena::default(); let terms_cx = terms::determine_parameters_to_be_inferred(tcx, &mut arena); @@ -42,7 +42,7 @@ fn crate_variances<'tcx>(tcx: TyCtxt<'tcx>, crate_num: CrateNum) -> &'tcx CrateV tcx.arena.alloc(solve::solve_constraints(constraints_cx)) } -fn variances_of<'tcx>(tcx: TyCtxt<'tcx>, item_def_id: DefId) -> &'tcx [ty::Variance] { +fn variances_of(tcx: TyCtxt<'_>, item_def_id: DefId) -> &[ty::Variance] { let id = tcx.hir().as_local_hir_id(item_def_id).expect("expected local def-id"); let unsupported = || { // Variance not relevant. diff --git a/src/librustc_typeck/variance/test.rs b/src/librustc_typeck/variance/test.rs index cefc200f5cb..0c7ebc34e8f 100644 --- a/src/librustc_typeck/variance/test.rs +++ b/src/librustc_typeck/variance/test.rs @@ -3,7 +3,7 @@ use rustc::hir::itemlikevisit::ItemLikeVisitor; use rustc::ty::TyCtxt; use syntax::symbol::sym; -pub fn test_variance<'tcx>(tcx: TyCtxt<'tcx>) { +pub fn test_variance(tcx: TyCtxt<'_>) { tcx.hir().krate().visit_all_item_likes(&mut VarianceTest { tcx }); } diff --git a/src/libsyntax/attr/mod.rs b/src/libsyntax/attr/mod.rs index 436620ae729..453b6ebf3c4 100644 --- a/src/libsyntax/attr/mod.rs +++ b/src/libsyntax/attr/mod.rs @@ -440,12 +440,12 @@ pub fn contains_name(attrs: &[Attribute], name: Symbol) -> bool { }) } -pub fn find_by_name<'a>(attrs: &'a [Attribute], name: Symbol) -> Option<&'a Attribute> { +pub fn find_by_name(attrs: &[Attribute], name: Symbol) -> Option<&Attribute> { attrs.iter().find(|attr| attr.check_name(name)) } -pub fn filter_by_name<'a>(attrs: &'a [Attribute], name: Symbol) - -> impl Iterator<Item = &'a Attribute> { +pub fn filter_by_name(attrs: &[Attribute], name: Symbol) + -> impl Iterator<Item=&Attribute> { attrs.iter().filter(move |attr| attr.check_name(name)) } diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs index 92ce3779a3c..fc8aa4793bc 100644 --- a/src/libsyntax/ext/tt/macro_parser.rs +++ b/src/libsyntax/ext/tt/macro_parser.rs @@ -901,7 +901,7 @@ fn may_begin_with(token: &Token, name: Name) -> bool { /// # Returns /// /// The parsed non-terminal. -fn parse_nt<'a>(p: &mut Parser<'a>, sp: Span, name: Symbol) -> Nonterminal { +fn parse_nt(p: &mut Parser<'_>, sp: Span, name: Symbol) -> Nonterminal { if name == sym::tt { return token::NtTT(p.parse_token_tree()); } diff --git a/src/libsyntax/util/parser_testing.rs b/src/libsyntax/util/parser_testing.rs index 733c4f83e37..f850960624c 100644 --- a/src/libsyntax/util/parser_testing.rs +++ b/src/libsyntax/util/parser_testing.rs @@ -20,7 +20,7 @@ pub fn string_to_stream(source_str: String) -> TokenStream { } /// Map string to parser (via tts) -pub fn string_to_parser<'a>(ps: &'a ParseSess, source_str: String) -> Parser<'a> { +pub fn string_to_parser(ps: &ParseSess, source_str: String) -> Parser<'_> { new_parser_from_source_str(ps, PathBuf::from("bogofile").into(), source_str) } diff --git a/src/libsyntax_ext/assert.rs b/src/libsyntax_ext/assert.rs index 10d323ffb89..637614a18bc 100644 --- a/src/libsyntax_ext/assert.rs +++ b/src/libsyntax_ext/assert.rs @@ -131,7 +131,7 @@ fn parse_assert<'a>( Ok(Assert { cond_expr, custom_message }) } -fn parse_custom_message<'a>(parser: &mut Parser<'a>) -> Option<TokenStream> { +fn parse_custom_message(parser: &mut Parser<'_>) -> Option<TokenStream> { let ts = parser.parse_tokens(); if !ts.is_empty() { Some(ts) diff --git a/src/libsyntax_ext/deriving/generic/mod.rs b/src/libsyntax_ext/deriving/generic/mod.rs index 444cf1263ce..12482f7248e 100644 --- a/src/libsyntax_ext/deriving/generic/mod.rs +++ b/src/libsyntax_ext/deriving/generic/mod.rs @@ -331,8 +331,8 @@ pub type CombineSubstructureFunc<'a> = pub type EnumNonMatchCollapsedFunc<'a> = Box<dyn FnMut(&mut ExtCtxt<'_>, Span, (&[Ident], &[Ident]), &[P<Expr>]) -> P<Expr> + 'a>; -pub fn combine_substructure<'a>(f: CombineSubstructureFunc<'a>) - -> RefCell<CombineSubstructureFunc<'a>> { +pub fn combine_substructure(f: CombineSubstructureFunc<'_>) + -> RefCell<CombineSubstructureFunc<'_>> { RefCell::new(f) } diff --git a/src/libsyntax_ext/deriving/generic/ty.rs b/src/libsyntax_ext/deriving/generic/ty.rs index 90d826429da..02b02e9b836 100644 --- a/src/libsyntax_ext/deriving/generic/ty.rs +++ b/src/libsyntax_ext/deriving/generic/ty.rs @@ -39,10 +39,10 @@ pub enum PathKind { } impl<'a> Path<'a> { - pub fn new<'r>(path: Vec<&'r str>) -> Path<'r> { + pub fn new(path: Vec<&str>) -> Path<'_> { Path::new_(path, None, Vec::new(), PathKind::Std) } - pub fn new_local<'r>(path: &'r str) -> Path<'r> { + pub fn new_local(path: &str) -> Path<'_> { Path::new_(vec![path], None, Vec::new(), PathKind::Local) } pub fn new_<'r>(path: Vec<&'r str>, @@ -117,7 +117,7 @@ pub enum Const { pub fn borrowed_ptrty<'r>() -> PtrTy<'r> { Borrowed(None, ast::Mutability::Immutable) } -pub fn borrowed<'r>(ty: Box<Ty<'r>>) -> Ty<'r> { +pub fn borrowed(ty: Box<Ty<'_>>) -> Ty<'_> { Ptr(ty, borrowed_ptrty()) } |