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Don't check match scrutinee of postfix match for unused parens

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This commit is contained in:
Michael Goulet 2024-03-26 11:16:09 -04:00
parent 519d892f95
commit 950b40f111
2 changed files with 11 additions and 1 deletions
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4
compiler/rustc_lint/src/unused.rs
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@ -865,7 +865,9 @@ trait UnusedDelimLint {
(iter, UnusedDelimsCtx::ForIterExpr, true, None, Some(body.span.lo()), true) (iter, UnusedDelimsCtx::ForIterExpr, true, None, Some(body.span.lo()), true)
} }
Match(ref head, ..) if Self::LINT_EXPR_IN_PATTERN_MATCHING_CTX => { Match(ref head, _, ast::MatchKind::Prefix)
if Self::LINT_EXPR_IN_PATTERN_MATCHING_CTX =>
{
let left = e.span.lo() + rustc_span::BytePos(5); let left = e.span.lo() + rustc_span::BytePos(5);
(head, UnusedDelimsCtx::MatchScrutineeExpr, true, Some(left), None, true) (head, UnusedDelimsCtx::MatchScrutineeExpr, true, Some(left), None, true)
} }

8
tests/ui/match/postfix-match/no-unused-parens.rs Normal file
View file

@ -0,0 +1,8 @@
//@ check-pass
#![feature(postfix_match)]
fn main() {
(&1).match { a => a };
(1 + 2).match { b => b };
}