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lint: do not warn unused parens around higher-ranked function pointers

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Fixes #104397
This commit is contained in:
Michael Howell 2022-11-23 17:57:11 -07:00
parent 80b3c6dbde
commit 97d95d48e2
2 changed files with 19 additions and 0 deletions
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compiler/rustc_lint/src/unused.rs
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@ -1002,6 +1002,7 @@ impl EarlyLintPass for UnusedParens {
if let ast::TyKind::Paren(r) = &ty.kind {
match &r.kind {
ast::TyKind::TraitObject(..) => {}
ast::TyKind::BareFn(b) if b.generic_params.len() > 0 => {}
ast::TyKind::ImplTrait(_, bounds) if bounds.len() > 1 => {}
ast::TyKind::Array(_, len) => {
self.check_unused_delims_expr(