diff options
23 files changed, 351 insertions, 237 deletions
diff --git a/clippy_lints/src/collapsible_if.rs b/clippy_lints/src/collapsible_if.rs index 20fae8a6775..b231f05ed88 100644 --- a/clippy_lints/src/collapsible_if.rs +++ b/clippy_lints/src/collapsible_if.rs @@ -1,11 +1,11 @@ use clippy_config::Conf; use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; +use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::{IntoSpan as _, SpanRangeExt, snippet, snippet_block, snippet_block_with_applicability}; use rustc_ast::BinOpKind; use rustc_errors::Applicability; use rustc_hir::{Block, Expr, ExprKind, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::TyCtxt; use rustc_session::impl_lint_pass; use rustc_span::Span; @@ -78,14 +78,14 @@ declare_clippy_lint! { } pub struct CollapsibleIf { - let_chains_enabled: bool, + msrv: Msrv, lint_commented_code: bool, } impl CollapsibleIf { - pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { + pub fn new(conf: &'static Conf) -> Self { Self { - let_chains_enabled: tcx.features().let_chains(), + msrv: conf.msrv, lint_commented_code: conf.lint_commented_code, } } @@ -127,7 +127,7 @@ impl CollapsibleIf { if let Some(inner) = expr_block(then) && cx.tcx.hir_attrs(inner.hir_id).is_empty() && let ExprKind::If(check_inner, _, None) = &inner.kind - && self.eligible_condition(check_inner) + && self.eligible_condition(cx, check_inner) && let ctxt = expr.span.ctxt() && inner.span.ctxt() == ctxt && (self.lint_commented_code || !block_starts_with_comment(cx, then)) @@ -163,8 +163,9 @@ impl CollapsibleIf { } } - pub fn eligible_condition(&self, cond: &Expr<'_>) -> bool { - self.let_chains_enabled || !matches!(cond.kind, ExprKind::Let(..)) + fn eligible_condition(&self, cx: &LateContext<'_>, cond: &Expr<'_>) -> bool { + !matches!(cond.kind, ExprKind::Let(..)) + || (cx.tcx.sess.edition().at_least_rust_2024() && self.msrv.meets(cx, msrvs::LET_CHAINS)) } } @@ -180,7 +181,7 @@ impl LateLintPass<'_> for CollapsibleIf { { Self::check_collapsible_else_if(cx, then.span, else_); } else if else_.is_none() - && self.eligible_condition(cond) + && self.eligible_condition(cx, cond) && let ExprKind::Block(then, None) = then.kind { self.check_collapsible_if_if(cx, expr, cond, then); diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index bc7fc60827a..62e2b565b48 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -731,7 +731,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_early_pass(|| Box::new(unused_unit::UnusedUnit)); store.register_late_pass(|_| Box::new(unused_unit::UnusedUnit)); store.register_late_pass(|_| Box::new(returns::Return)); - store.register_late_pass(move |tcx| Box::new(collapsible_if::CollapsibleIf::new(tcx, conf))); + store.register_late_pass(move |_| Box::new(collapsible_if::CollapsibleIf::new(conf))); store.register_late_pass(|_| Box::new(items_after_statements::ItemsAfterStatements)); store.register_early_pass(|| Box::new(precedence::Precedence)); store.register_late_pass(|_| Box::new(needless_parens_on_range_literals::NeedlessParensOnRangeLiterals)); diff --git a/clippy_utils/src/msrvs.rs b/clippy_utils/src/msrvs.rs index 19061b574ff..71985cb4b09 100644 --- a/clippy_utils/src/msrvs.rs +++ b/clippy_utils/src/msrvs.rs @@ -22,6 +22,7 @@ macro_rules! msrv_aliases { // names may refer to stabilized feature flags or library items msrv_aliases! { + 1,88,0 { LET_CHAINS } 1,87,0 { OS_STR_DISPLAY, INT_MIDPOINT } 1,85,0 { UINT_FLOAT_MIDPOINT } 1,84,0 { CONST_OPTION_AS_SLICE, MANUAL_DANGLING_PTR } diff --git a/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed b/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed index f12273954c6..5e189471b00 100644 --- a/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed +++ b/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![warn(clippy::collapsible_if)] fn main() { diff --git a/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs b/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs index 5a984d7a3cb..525eebf632a 100644 --- a/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs +++ b/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![warn(clippy::collapsible_if)] fn main() { diff --git a/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr b/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr index c22a65a4473..c9de166a969 100644 --- a/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr +++ b/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr @@ -1,5 +1,5 @@ error: this `if` statement can be collapsed - --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:5:5 + --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:4:5 | LL | / if let Some(a) = Some(3) { LL | | // with comment @@ -21,7 +21,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:13:5 + --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:12:5 | LL | / if let Some(a) = Some(3) { LL | | // with comment @@ -41,7 +41,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:21:5 + --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:20:5 | LL | / if Some(3) == Some(4).map(|x| x - 1) { LL | | // with comment diff --git a/tests/ui/auxiliary/proc_macro_attr.rs b/tests/ui/auxiliary/proc_macro_attr.rs index e72d6b6cead..4c61c5accd3 100644 --- a/tests/ui/auxiliary/proc_macro_attr.rs +++ b/tests/ui/auxiliary/proc_macro_attr.rs @@ -51,14 +51,14 @@ pub fn rename_my_lifetimes(_args: TokenStream, input: TokenStream) -> TokenStrea fn mut_receiver_of(sig: &mut Signature) -> Option<&mut FnArg> { let arg = sig.inputs.first_mut()?; - if let FnArg::Typed(PatType { pat, .. }) = arg { - if let Pat::Ident(PatIdent { ident, .. }) = &**pat { - if ident == "self" { - return Some(arg); - } - } + if let FnArg::Typed(PatType { pat, .. }) = arg + && let Pat::Ident(PatIdent { ident, .. }) = &**pat + && ident == "self" + { + Some(arg) + } else { + None } - None } let mut elided = 0; @@ -66,30 +66,29 @@ pub fn rename_my_lifetimes(_args: TokenStream, input: TokenStream) -> TokenStrea // Look for methods having arbitrary self type taken by &mut ref for inner in &mut item.items { - if let ImplItem::Fn(method) = inner { - if let Some(FnArg::Typed(pat_type)) = mut_receiver_of(&mut method.sig) { - if let box Type::Reference(reference) = &mut pat_type.ty { - // Target only unnamed lifetimes - let name = match &reference.lifetime { - Some(lt) if lt.ident == "_" => make_name(elided), - None => make_name(elided), - _ => continue, - }; - elided += 1; - - // HACK: Syn uses `Span` from the proc_macro2 crate, and does not seem to reexport it. - // In order to avoid adding the dependency, get a default span from a nonexistent token. - // A default span is needed to mark the code as coming from expansion. - let span = Star::default().span(); - - // Replace old lifetime with the named one - let lifetime = Lifetime::new(&name, span); - reference.lifetime = Some(parse_quote!(#lifetime)); - - // Add lifetime to the generics of the method - method.sig.generics.params.push(parse_quote!(#lifetime)); - } - } + if let ImplItem::Fn(method) = inner + && let Some(FnArg::Typed(pat_type)) = mut_receiver_of(&mut method.sig) + && let box Type::Reference(reference) = &mut pat_type.ty + { + // Target only unnamed lifetimes + let name = match &reference.lifetime { + Some(lt) if lt.ident == "_" => make_name(elided), + None => make_name(elided), + _ => continue, + }; + elided += 1; + + // HACK: Syn uses `Span` from the proc_macro2 crate, and does not seem to reexport it. + // In order to avoid adding the dependency, get a default span from a nonexistent token. + // A default span is needed to mark the code as coming from expansion. + let span = Star::default().span(); + + // Replace old lifetime with the named one + let lifetime = Lifetime::new(&name, span); + reference.lifetime = Some(parse_quote!(#lifetime)); + + // Add lifetime to the generics of the method + method.sig.generics.params.push(parse_quote!(#lifetime)); } } @@ -129,15 +128,15 @@ pub fn fake_desugar_await(_args: TokenStream, input: TokenStream) -> TokenStream let mut async_fn = parse_macro_input!(input as syn::ItemFn); for stmt in &mut async_fn.block.stmts { - if let syn::Stmt::Expr(syn::Expr::Match(syn::ExprMatch { expr: scrutinee, .. }), _) = stmt { - if let syn::Expr::Await(syn::ExprAwait { base, await_token, .. }) = scrutinee.as_mut() { - let blc = quote_spanned!( await_token.span => { - #[allow(clippy::let_and_return)] - let __pinned = #base; - __pinned - }); - *scrutinee = parse_quote!(#blc); - } + if let syn::Stmt::Expr(syn::Expr::Match(syn::ExprMatch { expr: scrutinee, .. }), _) = stmt + && let syn::Expr::Await(syn::ExprAwait { base, await_token, .. }) = scrutinee.as_mut() + { + let blc = quote_spanned!( await_token.span => { + #[allow(clippy::let_and_return)] + let __pinned = #base; + __pinned + }); + *scrutinee = parse_quote!(#blc); } } diff --git a/tests/ui/auxiliary/proc_macros.rs b/tests/ui/auxiliary/proc_macros.rs index 7a4cc4fa9ee..bb55539617f 100644 --- a/tests/ui/auxiliary/proc_macros.rs +++ b/tests/ui/auxiliary/proc_macros.rs @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![feature(proc_macro_span)] #![allow(clippy::needless_if, dead_code)] diff --git a/tests/ui/collapsible_if.fixed b/tests/ui/collapsible_if.fixed index e1ceb04f9cb..d62309fe08b 100644 --- a/tests/ui/collapsible_if.fixed +++ b/tests/ui/collapsible_if.fixed @@ -101,27 +101,8 @@ fn main() { } } - // Test behavior wrt. `let_chains`. - // None of the cases below should be collapsed. fn truth() -> bool { true } - // Prefix: - if let 0 = 1 { - if truth() {} - } - - // Suffix: - if truth() { - if let 0 = 1 {} - } - - // Midfix: - if truth() { - if let 0 = 1 { - if truth() {} - } - } - // Fix #5962 if matches!(true, true) && matches!(true, true) {} diff --git a/tests/ui/collapsible_if.rs b/tests/ui/collapsible_if.rs index 0b996dca22e..0677b98bb5b 100644 --- a/tests/ui/collapsible_if.rs +++ b/tests/ui/collapsible_if.rs @@ -108,27 +108,8 @@ fn main() { } } - // Test behavior wrt. `let_chains`. - // None of the cases below should be collapsed. fn truth() -> bool { true } - // Prefix: - if let 0 = 1 { - if truth() {} - } - - // Suffix: - if truth() { - if let 0 = 1 {} - } - - // Midfix: - if truth() { - if let 0 = 1 { - if truth() {} - } - } - // Fix #5962 if matches!(true, true) { if matches!(true, true) {} diff --git a/tests/ui/collapsible_if.stderr b/tests/ui/collapsible_if.stderr index 53281146239..32c6b019403 100644 --- a/tests/ui/collapsible_if.stderr +++ b/tests/ui/collapsible_if.stderr @@ -127,7 +127,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:133:5 + --> tests/ui/collapsible_if.rs:114:5 | LL | / if matches!(true, true) { LL | | if matches!(true, true) {} @@ -141,7 +141,7 @@ LL ~ && matches!(true, true) {} | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:139:5 + --> tests/ui/collapsible_if.rs:120:5 | LL | / if matches!(true, true) && truth() { LL | | if matches!(true, true) {} @@ -155,7 +155,7 @@ LL ~ && matches!(true, true) {} | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:151:5 + --> tests/ui/collapsible_if.rs:132:5 | LL | / if true { LL | | if true { @@ -173,7 +173,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:168:5 + --> tests/ui/collapsible_if.rs:149:5 | LL | / if true { LL | | if true { diff --git a/tests/ui/collapsible_if_let_chains.edition2024.fixed b/tests/ui/collapsible_if_let_chains.edition2024.fixed new file mode 100644 index 00000000000..ad08c21ba9e --- /dev/null +++ b/tests/ui/collapsible_if_let_chains.edition2024.fixed @@ -0,0 +1,68 @@ +//@revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2021] check-pass + +#![warn(clippy::collapsible_if)] + +fn main() { + if let Some(a) = Some(3) { + // with comment, so do not lint + if let Some(b) = Some(4) { + let _ = a + b; + } + } + + //~[edition2024]v collapsible_if + if let Some(a) = Some(3) + && let Some(b) = Some(4) { + let _ = a + b; + } + + //~[edition2024]v collapsible_if + if let Some(a) = Some(3) + && a + 1 == 4 { + let _ = a; + } + + //~[edition2024]v collapsible_if + if Some(3) == Some(4).map(|x| x - 1) + && let Some(b) = Some(4) { + let _ = b; + } + + fn truth() -> bool { + true + } + + // Prefix: + //~[edition2024]v collapsible_if + if let 0 = 1 + && truth() {} + + // Suffix: + //~[edition2024]v collapsible_if + if truth() + && let 0 = 1 {} + + // Midfix: + //~[edition2024]vvv collapsible_if + //~[edition2024]v collapsible_if + if truth() + && let 0 = 1 + && truth() {} +} + +#[clippy::msrv = "1.87.0"] +fn msrv_1_87() { + if let 0 = 1 { + if true {} + } +} + +#[clippy::msrv = "1.88.0"] +fn msrv_1_88() { + //~[edition2024]v collapsible_if + if let 0 = 1 + && true {} +} diff --git a/tests/ui/collapsible_if_let_chains.edition2024.stderr b/tests/ui/collapsible_if_let_chains.edition2024.stderr new file mode 100644 index 00000000000..b0aa3cecadb --- /dev/null +++ b/tests/ui/collapsible_if_let_chains.edition2024.stderr @@ -0,0 +1,132 @@ +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:17:5 + | +LL | / if let Some(a) = Some(3) { +LL | | if let Some(b) = Some(4) { +LL | | let _ = a + b; +LL | | } +LL | | } + | |_____^ + | + = note: `-D clippy::collapsible-if` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::collapsible_if)]` +help: collapse nested if block + | +LL ~ if let Some(a) = Some(3) +LL ~ && let Some(b) = Some(4) { +LL | let _ = a + b; +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:24:5 + | +LL | / if let Some(a) = Some(3) { +LL | | if a + 1 == 4 { +LL | | let _ = a; +LL | | } +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if let Some(a) = Some(3) +LL ~ && a + 1 == 4 { +LL | let _ = a; +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:31:5 + | +LL | / if Some(3) == Some(4).map(|x| x - 1) { +LL | | if let Some(b) = Some(4) { +LL | | let _ = b; +LL | | } +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if Some(3) == Some(4).map(|x| x - 1) +LL ~ && let Some(b) = Some(4) { +LL | let _ = b; +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:43:5 + | +LL | / if let 0 = 1 { +LL | | if truth() {} +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if let 0 = 1 +LL ~ && truth() {} + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:49:5 + | +LL | / if truth() { +LL | | if let 0 = 1 {} +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if truth() +LL ~ && let 0 = 1 {} + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:56:5 + | +LL | / if truth() { +LL | | if let 0 = 1 { +LL | | if truth() {} +LL | | } +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if truth() +LL ~ && let 0 = 1 { +LL | if truth() {} +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:57:9 + | +LL | / if let 0 = 1 { +LL | | if truth() {} +LL | | } + | |_________^ + | +help: collapse nested if block + | +LL ~ if let 0 = 1 +LL ~ && truth() {} + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:73:5 + | +LL | / if let 0 = 1 { +LL | | if true {} +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if let 0 = 1 +LL ~ && true {} + | + +error: aborting due to 8 previous errors + diff --git a/tests/ui/collapsible_if_let_chains.fixed b/tests/ui/collapsible_if_let_chains.fixed deleted file mode 100644 index 3dd9498a4c9..00000000000 --- a/tests/ui/collapsible_if_let_chains.fixed +++ /dev/null @@ -1,29 +0,0 @@ -#![feature(let_chains)] -#![warn(clippy::collapsible_if)] - -fn main() { - if let Some(a) = Some(3) { - // with comment, so do not lint - if let Some(b) = Some(4) { - let _ = a + b; - } - } - - if let Some(a) = Some(3) - && let Some(b) = Some(4) { - let _ = a + b; - } - //~^^^^^ collapsible_if - - if let Some(a) = Some(3) - && a + 1 == 4 { - let _ = a; - } - //~^^^^^ collapsible_if - - if Some(3) == Some(4).map(|x| x - 1) - && let Some(b) = Some(4) { - let _ = b; - } - //~^^^^^ collapsible_if -} diff --git a/tests/ui/collapsible_if_let_chains.rs b/tests/ui/collapsible_if_let_chains.rs index 064b9a0be48..b2e88b1a556 100644 --- a/tests/ui/collapsible_if_let_chains.rs +++ b/tests/ui/collapsible_if_let_chains.rs @@ -1,4 +1,8 @@ -#![feature(let_chains)] +//@revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2021] check-pass + #![warn(clippy::collapsible_if)] fn main() { @@ -9,24 +13,64 @@ fn main() { } } + //~[edition2024]v collapsible_if if let Some(a) = Some(3) { if let Some(b) = Some(4) { let _ = a + b; } } - //~^^^^^ collapsible_if + //~[edition2024]v collapsible_if if let Some(a) = Some(3) { if a + 1 == 4 { let _ = a; } } - //~^^^^^ collapsible_if + //~[edition2024]v collapsible_if if Some(3) == Some(4).map(|x| x - 1) { if let Some(b) = Some(4) { let _ = b; } } - //~^^^^^ collapsible_if + + fn truth() -> bool { + true + } + + // Prefix: + //~[edition2024]v collapsible_if + if let 0 = 1 { + if truth() {} + } + + // Suffix: + //~[edition2024]v collapsible_if + if truth() { + if let 0 = 1 {} + } + + // Midfix: + //~[edition2024]vvv collapsible_if + //~[edition2024]v collapsible_if + if truth() { + if let 0 = 1 { + if truth() {} + } + } +} + +#[clippy::msrv = "1.87.0"] +fn msrv_1_87() { + if let 0 = 1 { + if true {} + } +} + +#[clippy::msrv = "1.88.0"] +fn msrv_1_88() { + //~[edition2024]v collapsible_if + if let 0 = 1 { + if true {} + } } diff --git a/tests/ui/collapsible_if_let_chains.stderr b/tests/ui/collapsible_if_let_chains.stderr deleted file mode 100644 index 64a88114c47..00000000000 --- a/tests/ui/collapsible_if_let_chains.stderr +++ /dev/null @@ -1,58 +0,0 @@ -error: this `if` statement can be collapsed - --> tests/ui/collapsible_if_let_chains.rs:12:5 - | -LL | / if let Some(a) = Some(3) { -LL | | if let Some(b) = Some(4) { -LL | | let _ = a + b; -LL | | } -LL | | } - | |_____^ - | - = note: `-D clippy::collapsible-if` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::collapsible_if)]` -help: collapse nested if block - | -LL ~ if let Some(a) = Some(3) -LL ~ && let Some(b) = Some(4) { -LL | let _ = a + b; -LL ~ } - | - -error: this `if` statement can be collapsed - --> tests/ui/collapsible_if_let_chains.rs:19:5 - | -LL | / if let Some(a) = Some(3) { -LL | | if a + 1 == 4 { -LL | | let _ = a; -LL | | } -LL | | } - | |_____^ - | -help: collapse nested if block - | -LL ~ if let Some(a) = Some(3) -LL ~ && a + 1 == 4 { -LL | let _ = a; -LL ~ } - | - -error: this `if` statement can be collapsed - --> tests/ui/collapsible_if_let_chains.rs:26:5 - | -LL | / if Some(3) == Some(4).map(|x| x - 1) { -LL | | if let Some(b) = Some(4) { -LL | | let _ = b; -LL | | } -LL | | } - | |_____^ - | -help: collapse nested if block - | -LL ~ if Some(3) == Some(4).map(|x| x - 1) -LL ~ && let Some(b) = Some(4) { -LL | let _ = b; -LL ~ } - | - -error: aborting due to 3 previous errors - diff --git a/tests/ui/collapsible_match.rs b/tests/ui/collapsible_match.rs index 55ef5584495..71b82040ff6 100644 --- a/tests/ui/collapsible_match.rs +++ b/tests/ui/collapsible_match.rs @@ -1,5 +1,6 @@ #![warn(clippy::collapsible_match)] #![allow( + clippy::collapsible_if, clippy::equatable_if_let, clippy::needless_return, clippy::no_effect, diff --git a/tests/ui/collapsible_match.stderr b/tests/ui/collapsible_match.stderr index 5294a9d6975..c290d84ec29 100644 --- a/tests/ui/collapsible_match.stderr +++ b/tests/ui/collapsible_match.stderr @@ -1,5 +1,5 @@ error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:14:20 + --> tests/ui/collapsible_match.rs:15:20 | LL | Ok(val) => match val { | ____________________^ @@ -10,7 +10,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:14:12 + --> tests/ui/collapsible_match.rs:15:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -21,7 +21,7 @@ LL | Some(n) => foo(n), = help: to override `-D warnings` add `#[allow(clippy::collapsible_match)]` error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:24:20 + --> tests/ui/collapsible_match.rs:25:20 | LL | Ok(val) => match val { | ____________________^ @@ -32,7 +32,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:24:12 + --> tests/ui/collapsible_match.rs:25:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -41,7 +41,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:34:9 + --> tests/ui/collapsible_match.rs:35:9 | LL | / if let Some(n) = val { LL | | @@ -51,7 +51,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:33:15 + --> tests/ui/collapsible_match.rs:34:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -59,7 +59,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:43:9 + --> tests/ui/collapsible_match.rs:44:9 | LL | / if let Some(n) = val { LL | | @@ -71,7 +71,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:42:15 + --> tests/ui/collapsible_match.rs:43:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -79,7 +79,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:56:9 + --> tests/ui/collapsible_match.rs:57:9 | LL | / match val { LL | | @@ -89,7 +89,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:55:15 + --> tests/ui/collapsible_match.rs:56:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -98,7 +98,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:66:13 + --> tests/ui/collapsible_match.rs:67:13 | LL | / if let Some(n) = val { LL | | @@ -108,7 +108,7 @@ LL | | } | |_____________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:65:12 + --> tests/ui/collapsible_match.rs:66:12 | LL | Ok(val) => { | ^^^ replace this binding @@ -116,7 +116,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:77:9 + --> tests/ui/collapsible_match.rs:78:9 | LL | / match val { LL | | @@ -126,7 +126,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:76:15 + --> tests/ui/collapsible_match.rs:77:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -135,7 +135,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:89:13 + --> tests/ui/collapsible_match.rs:90:13 | LL | / if let Some(n) = val { LL | | @@ -147,7 +147,7 @@ LL | | } | |_____________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:88:12 + --> tests/ui/collapsible_match.rs:89:12 | LL | Ok(val) => { | ^^^ replace this binding @@ -155,7 +155,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:102:20 + --> tests/ui/collapsible_match.rs:103:20 | LL | Ok(val) => match val { | ____________________^ @@ -166,7 +166,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:102:12 + --> tests/ui/collapsible_match.rs:103:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -175,7 +175,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:112:22 + --> tests/ui/collapsible_match.rs:113:22 | LL | Some(val) => match val { | ______________________^ @@ -186,7 +186,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:112:14 + --> tests/ui/collapsible_match.rs:113:14 | LL | Some(val) => match val { | ^^^ replace this binding @@ -195,7 +195,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:256:22 + --> tests/ui/collapsible_match.rs:257:22 | LL | Some(val) => match val { | ______________________^ @@ -206,7 +206,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:256:14 + --> tests/ui/collapsible_match.rs:257:14 | LL | Some(val) => match val { | ^^^ replace this binding @@ -215,7 +215,7 @@ LL | E::A(val) | E::B(val) => foo(val), | ^^^^^^^^^^^^^^^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:288:9 + --> tests/ui/collapsible_match.rs:289:9 | LL | / if let Some(u) = a { LL | | @@ -225,7 +225,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:287:27 + --> tests/ui/collapsible_match.rs:288:27 | LL | if let Issue9647::A { a, .. } = x { | ^ replace this binding @@ -233,7 +233,7 @@ LL | if let Some(u) = a { | ^^^^^^^ with this pattern, prefixed by `a`: error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:298:9 + --> tests/ui/collapsible_match.rs:299:9 | LL | / if let Some(u) = a { LL | | @@ -243,7 +243,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:297:35 + --> tests/ui/collapsible_match.rs:298:35 | LL | if let Issue9647::A { a: Some(a), .. } = x { | ^ replace this binding diff --git a/tests/ui/index_refutable_slice/if_let_slice_binding.fixed b/tests/ui/index_refutable_slice/if_let_slice_binding.fixed index e19aa4acb4c..050cdfcba96 100644 --- a/tests/ui/index_refutable_slice/if_let_slice_binding.fixed +++ b/tests/ui/index_refutable_slice/if_let_slice_binding.fixed @@ -1,5 +1,5 @@ #![deny(clippy::index_refutable_slice)] -#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes)] +#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes, clippy::collapsible_if)] enum SomeEnum<T> { One(T), diff --git a/tests/ui/index_refutable_slice/if_let_slice_binding.rs b/tests/ui/index_refutable_slice/if_let_slice_binding.rs index 29039356855..91429bfea27 100644 --- a/tests/ui/index_refutable_slice/if_let_slice_binding.rs +++ b/tests/ui/index_refutable_slice/if_let_slice_binding.rs @@ -1,5 +1,5 @@ #![deny(clippy::index_refutable_slice)] -#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes)] +#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes, clippy::collapsible_if)] enum SomeEnum<T> { One(T), diff --git a/tests/ui/needless_late_init.fixed b/tests/ui/needless_late_init.fixed index f832752ccd7..b686a8e9f1a 100644 --- a/tests/ui/needless_late_init.fixed +++ b/tests/ui/needless_late_init.fixed @@ -1,6 +1,4 @@ //@aux-build:proc_macros.rs -#![feature(let_chains)] -#![allow(unused)] #![allow( clippy::assign_op_pattern, clippy::blocks_in_conditions, diff --git a/tests/ui/needless_late_init.rs b/tests/ui/needless_late_init.rs index a52fbf52923..23772ff7029 100644 --- a/tests/ui/needless_late_init.rs +++ b/tests/ui/needless_late_init.rs @@ -1,6 +1,4 @@ //@aux-build:proc_macros.rs -#![feature(let_chains)] -#![allow(unused)] #![allow( clippy::assign_op_pattern, clippy::blocks_in_conditions, diff --git a/tests/ui/needless_late_init.stderr b/tests/ui/needless_late_init.stderr index b24c1275881..e3e25cdc8d7 100644 --- a/tests/ui/needless_late_init.stderr +++ b/tests/ui/needless_late_init.stderr @@ -1,5 +1,5 @@ error: unneeded late initialization - --> tests/ui/needless_late_init.rs:27:5 + --> tests/ui/needless_late_init.rs:25:5 | LL | let a; | ^^^^^^ created here @@ -17,7 +17,7 @@ LL ~ let a = "zero"; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:31:5 + --> tests/ui/needless_late_init.rs:29:5 | LL | let b; | ^^^^^^ created here @@ -35,7 +35,7 @@ LL ~ let b = 1; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:33:5 + --> tests/ui/needless_late_init.rs:31:5 | LL | let c; | ^^^^^^ created here @@ -52,7 +52,7 @@ LL ~ let c = 2; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:38:5 + --> tests/ui/needless_late_init.rs:36:5 | LL | let d: usize; | ^^^^^^^^^^^^^ created here @@ -68,7 +68,7 @@ LL ~ let d: usize = 1; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:42:5 + --> tests/ui/needless_late_init.rs:40:5 | LL | let e; | ^^^^^^ created here @@ -84,7 +84,7 @@ LL ~ let e = format!("{}", d); | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:48:5 + --> tests/ui/needless_late_init.rs:46:5 | LL | let a; | ^^^^^^ @@ -103,7 +103,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:58:5 + --> tests/ui/needless_late_init.rs:56:5 | LL | let b; | ^^^^^^ @@ -120,7 +120,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:66:5 + --> tests/ui/needless_late_init.rs:64:5 | LL | let d; | ^^^^^^ @@ -138,7 +138,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:75:5 + --> tests/ui/needless_late_init.rs:73:5 | LL | let e; | ^^^^^^ @@ -155,7 +155,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:83:5 + --> tests/ui/needless_late_init.rs:81:5 | LL | let f; | ^^^^^^ @@ -169,7 +169,7 @@ LL ~ 1 => "three", | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:90:5 + --> tests/ui/needless_late_init.rs:88:5 | LL | let g: usize; | ^^^^^^^^^^^^^ @@ -186,7 +186,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:99:5 + --> tests/ui/needless_late_init.rs:97:5 | LL | let x; | ^^^^^^ created here @@ -203,7 +203,7 @@ LL ~ let x = 1; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:104:5 + --> tests/ui/needless_late_init.rs:102:5 | LL | let x; | ^^^^^^ created here @@ -220,7 +220,7 @@ LL ~ let x = SignificantDrop; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:109:5 + --> tests/ui/needless_late_init.rs:107:5 | LL | let x; | ^^^^^^ created here @@ -238,7 +238,7 @@ LL ~ let x = SignificantDrop; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:129:5 + --> tests/ui/needless_late_init.rs:127:5 | LL | let a; | ^^^^^^ @@ -257,7 +257,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:147:5 + --> tests/ui/needless_late_init.rs:145:5 | LL | let a; | ^^^^^^ @@ -276,7 +276,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:300:5 + --> tests/ui/needless_late_init.rs:298:5 | LL | let r; | ^^^^^^ created here |