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rescope temp lifetime in let-chain into IfElse

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Ding Xiang Fei 2023-01-24 16:06:35 +08:00
parent 33855f80d4
commit f93df1f7dc
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30 changed files with 1102 additions and 35 deletions
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compiler/rustc_feature/src/unstable.rs
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@ -497,6 +497,8 @@ declare_features! (
(unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)),
/// Allows `if let` guard in match arms.
(unstable, if_let_guard, "1.47.0", Some(51114)),
/// Rescoping temporaries in `if let` to align with Rust 2024.
(unstable, if_let_rescope, "CURRENT_RUSTC_VERSION", Some(124085)),
/// Allows `impl Trait` to be used inside associated types (RFC 2515).
(unstable, impl_trait_in_assoc_type, "1.70.0", Some(63063)),
/// Allows `impl Trait` as output type in `Fn` traits in return position of functions.