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Add never_patterns feature gate

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This commit is contained in:
Nadrieril 2023-11-22 02:30:43 +01:00
parent 1bcbb7c93b
commit a3838c8550
40 changed files with 325 additions and 18 deletions
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2
compiler/rustc_lint/src/unused.rs
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@ -1154,7 +1154,7 @@ impl EarlyLintPass for UnusedParens {
// Do not lint on `(..)` as that will result in the other arms being useless.
Paren(_)
// The other cases do not contain sub-patterns.
| Wild | Rest | Lit(..) | MacCall(..) | Range(..) | Ident(.., None) | Path(..) => {},
| Wild | Never | Rest | Lit(..) | MacCall(..) | Range(..) | Ident(.., None) | Path(..) => {},
// These are list-like patterns; parens can always be removed.
TupleStruct(_, _, ps) | Tuple(ps) | Slice(ps) | Or(ps) => for p in ps {
self.check_unused_parens_pat(cx, p, false, false, keep_space);