Merging master

4 files changed, 38 insertions, 33 deletions

diff --git a/src/libsyntax_ext/deriving/cmp/eq.rs b/src/libsyntax_ext/deriving/cmp/eq.rs
index dbba8c3b7a0..a1035ff641f 100644
--- a/src/libsyntax_ext/deriving/cmp/eq.rs
+++ b/src/libsyntax_ext/deriving/cmp/eq.rs
@@ -1,6 +1,6 @@
-use deriving::path_std;
-use deriving::generic::*;
-use deriving::generic::ty::*;
+use crate::deriving::path_std;
+use crate::deriving::generic::*;
+use crate::deriving::generic::ty::*;
 
 use syntax::ast::{self, Expr, MetaItem, GenericArg};
 use syntax::ext::base::{Annotatable, ExtCtxt};
@@ -9,7 +9,7 @@ use syntax::ptr::P;
 use syntax::symbol::Symbol;
 use syntax_pos::Span;
 
-pub fn expand_deriving_eq(cx: &mut ExtCtxt,
+pub fn expand_deriving_eq(cx: &mut ExtCtxt<'_>,
                           span: Span,
                           mitem: &MetaItem,
                           item: &Annotatable,
@@ -44,8 +44,11 @@ pub fn expand_deriving_eq(cx: &mut ExtCtxt,
     trait_def.expand_ext(cx, mitem, item, push, true)
 }
 
-fn cs_total_eq_assert(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> P<Expr> {
-    fn assert_ty_bounds(cx: &mut ExtCtxt, stmts: &mut Vec<ast::Stmt>,
+fn cs_total_eq_assert(cx: &mut ExtCtxt<'_>,
+                      trait_span: Span,
+                      substr: &Substructure<'_>)
+                      -> P<Expr> {
+    fn assert_ty_bounds(cx: &mut ExtCtxt<'_>, stmts: &mut Vec<ast::Stmt>,
                         ty: P<ast::Ty>, span: Span, helper_name: &str) {
         // Generate statement `let _: helper_name<ty>;`,
         // set the expn ID so we can use the unstable struct.
@@ -55,7 +58,9 @@ fn cs_total_eq_assert(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure)
                                         vec![GenericArg::Type(ty)], vec![]);
         stmts.push(cx.stmt_let_type_only(span, cx.ty_path(assert_path)));
     }
-    fn process_variant(cx: &mut ExtCtxt, stmts: &mut Vec<ast::Stmt>, variant: &ast::VariantData) {
+    fn process_variant(cx: &mut ExtCtxt<'_>,
+                       stmts: &mut Vec<ast::Stmt>,
+                       variant: &ast::VariantData) {
         for field in variant.fields() {
             // let _: AssertParamIsEq<FieldTy>;
             assert_ty_bounds(cx, stmts, field.ty.clone(), field.span, "AssertParamIsEq");
diff --git a/src/libsyntax_ext/deriving/cmp/ord.rs b/src/libsyntax_ext/deriving/cmp/ord.rs
index 21bd56710ac..e4f939c151f 100644
--- a/src/libsyntax_ext/deriving/cmp/ord.rs
+++ b/src/libsyntax_ext/deriving/cmp/ord.rs
@@ -1,6 +1,6 @@
-use deriving::path_std;
-use deriving::generic::*;
-use deriving::generic::ty::*;
+use crate::deriving::path_std;
+use crate::deriving::generic::*;
+use crate::deriving::generic::ty::*;
 
 use syntax::ast::{self, Expr, MetaItem};
 use syntax::ext::base::{Annotatable, ExtCtxt};
@@ -9,7 +9,7 @@ use syntax::ptr::P;
 use syntax::symbol::Symbol;
 use syntax_pos::Span;
 
-pub fn expand_deriving_ord(cx: &mut ExtCtxt,
+pub fn expand_deriving_ord(cx: &mut ExtCtxt<'_>,
                            span: Span,
                            mitem: &MetaItem,
                            item: &Annotatable,
@@ -44,7 +44,7 @@ pub fn expand_deriving_ord(cx: &mut ExtCtxt,
 }
 
 
-pub fn ordering_collapsed(cx: &mut ExtCtxt,
+pub fn ordering_collapsed(cx: &mut ExtCtxt<'_>,
                           span: Span,
                           self_arg_tags: &[ast::Ident])
                           -> P<ast::Expr> {
@@ -53,7 +53,7 @@ pub fn ordering_collapsed(cx: &mut ExtCtxt,
     cx.expr_method_call(span, lft, cx.ident_of("cmp"), vec![rgt])
 }
 
-pub fn cs_cmp(cx: &mut ExtCtxt, span: Span, substr: &Substructure) -> P<Expr> {
+pub fn cs_cmp(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_>) -> P<Expr> {
     let test_id = cx.ident_of("cmp").gensym();
     let equals_path = cx.path_global(span, cx.std_path(&["cmp", "Ordering", "Equal"]));
 
diff --git a/src/libsyntax_ext/deriving/cmp/partial_eq.rs b/src/libsyntax_ext/deriving/cmp/partial_eq.rs
index 4ec24bce4cd..07026ae3739 100644
--- a/src/libsyntax_ext/deriving/cmp/partial_eq.rs
+++ b/src/libsyntax_ext/deriving/cmp/partial_eq.rs
@@ -1,6 +1,6 @@
-use deriving::{path_local, path_std};
-use deriving::generic::*;
-use deriving::generic::ty::*;
+use crate::deriving::{path_local, path_std};
+use crate::deriving::generic::*;
+use crate::deriving::generic::ty::*;
 
 use syntax::ast::{BinOpKind, Expr, MetaItem};
 use syntax::ext::base::{Annotatable, ExtCtxt};
@@ -9,22 +9,22 @@ use syntax::ptr::P;
 use syntax::symbol::Symbol;
 use syntax_pos::Span;
 
-pub fn expand_deriving_partial_eq(cx: &mut ExtCtxt,
+pub fn expand_deriving_partial_eq(cx: &mut ExtCtxt<'_>,
                                   span: Span,
                                   mitem: &MetaItem,
                                   item: &Annotatable,
                                   push: &mut dyn FnMut(Annotatable)) {
     // structures are equal if all fields are equal, and non equal, if
     // any fields are not equal or if the enum variants are different
-    fn cs_op(cx: &mut ExtCtxt,
+    fn cs_op(cx: &mut ExtCtxt<'_>,
              span: Span,
-             substr: &Substructure,
+             substr: &Substructure<'_>,
              op: BinOpKind,
              combiner: BinOpKind,
              base: bool)
              -> P<Expr>
     {
-        let op = |cx: &mut ExtCtxt, span: Span, self_f: P<Expr>, other_fs: &[P<Expr>]| {
+        let op = |cx: &mut ExtCtxt<'_>, span: Span, self_f: P<Expr>, other_fs: &[P<Expr>]| {
             let other_f = match (other_fs.len(), other_fs.get(0)) {
                 (1, Some(o_f)) => o_f,
                 _ => cx.span_bug(span, "not exactly 2 arguments in `derive(PartialEq)`"),
@@ -53,10 +53,10 @@ pub fn expand_deriving_partial_eq(cx: &mut ExtCtxt,
             substr)
     }
 
-    fn cs_eq(cx: &mut ExtCtxt, span: Span, substr: &Substructure) -> P<Expr> {
+    fn cs_eq(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_>) -> P<Expr> {
         cs_op(cx, span, substr, BinOpKind::Eq, BinOpKind::And, true)
     }
-    fn cs_ne(cx: &mut ExtCtxt, span: Span, substr: &Substructure) -> P<Expr> {
+    fn cs_ne(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_>) -> P<Expr> {
         cs_op(cx, span, substr, BinOpKind::Ne, BinOpKind::Or, false)
     }
 
diff --git a/src/libsyntax_ext/deriving/cmp/partial_ord.rs b/src/libsyntax_ext/deriving/cmp/partial_ord.rs
index 9ef481edf51..e99abeb118e 100644
--- a/src/libsyntax_ext/deriving/cmp/partial_ord.rs
+++ b/src/libsyntax_ext/deriving/cmp/partial_ord.rs
@@ -1,8 +1,8 @@
-pub use self::OrderingOp::*;
+pub use OrderingOp::*;
 
-use deriving::{path_local, pathvec_std, path_std};
-use deriving::generic::*;
-use deriving::generic::ty::*;
+use crate::deriving::{path_local, pathvec_std, path_std};
+use crate::deriving::generic::*;
+use crate::deriving::generic::ty::*;
 
 use syntax::ast::{self, BinOpKind, Expr, MetaItem};
 use syntax::ext::base::{Annotatable, ExtCtxt};
@@ -11,7 +11,7 @@ use syntax::ptr::P;
 use syntax::symbol::Symbol;
 use syntax_pos::Span;
 
-pub fn expand_deriving_partial_ord(cx: &mut ExtCtxt,
+pub fn expand_deriving_partial_ord(cx: &mut ExtCtxt<'_>,
                                    span: Span,
                                    mitem: &MetaItem,
                                    item: &Annotatable,
@@ -95,7 +95,7 @@ pub enum OrderingOp {
     GeOp,
 }
 
-pub fn some_ordering_collapsed(cx: &mut ExtCtxt,
+pub fn some_ordering_collapsed(cx: &mut ExtCtxt<'_>,
                                span: Span,
                                op: OrderingOp,
                                self_arg_tags: &[ast::Ident])
@@ -112,7 +112,7 @@ pub fn some_ordering_collapsed(cx: &mut ExtCtxt,
     cx.expr_method_call(span, lft, cx.ident_of(op_str), vec![rgt])
 }
 
-pub fn cs_partial_cmp(cx: &mut ExtCtxt, span: Span, substr: &Substructure) -> P<Expr> {
+pub fn cs_partial_cmp(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_>) -> P<Expr> {
     let test_id = cx.ident_of("cmp").gensym();
     let ordering = cx.path_global(span, cx.std_path(&["cmp", "Ordering", "Equal"]));
     let ordering_expr = cx.expr_path(ordering.clone());
@@ -184,14 +184,14 @@ pub fn cs_partial_cmp(cx: &mut ExtCtxt, span: Span, substr: &Substructure) -> P<
 /// Strict inequality.
 fn cs_op(less: bool,
          inclusive: bool,
-         cx: &mut ExtCtxt,
+         cx: &mut ExtCtxt<'_>,
          span: Span,
-         substr: &Substructure) -> P<Expr> {
-    let ordering_path = |cx: &mut ExtCtxt, name: &str| {
+         substr: &Substructure<'_>) -> P<Expr> {
+    let ordering_path = |cx: &mut ExtCtxt<'_>, name: &str| {
         cx.expr_path(cx.path_global(span, cx.std_path(&["cmp", "Ordering", name])))
     };
 
-    let par_cmp = |cx: &mut ExtCtxt, span, self_f: P<Expr>, other_fs: &[P<Expr>], default| {
+    let par_cmp = |cx: &mut ExtCtxt<'_>, span, self_f: P<Expr>, other_fs: &[P<Expr>], default| {
         let other_f = match (other_fs.len(), other_fs.get(0)) {
             (1, Some(o_f)) => o_f,
             _ => cx.span_bug(span, "not exactly 2 arguments in `derive(PartialOrd)`"),