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Rollup merge of #123512 - Jules-Bertholet:ref-pat-eat-one-layer-2024, r=Nadrieril

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Match ergonomics 2024: Implement eat-one-layer

r? `@Nadrieril`

cc #123076

`@rustbot` label A-edition-2024 A-patterns
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Guillaume Gomez 2024-04-16 21:41:24 +02:00 • committed by GitHub
commit 239b3728d5
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14 changed files with 680 additions and 77 deletions
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2
compiler/rustc_feature/src/unstable.rs
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@ -575,6 +575,8 @@ declare_features! (
(unstable, proc_macro_hygiene, "1.30.0", Some(54727)),
/// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
(unstable, raw_ref_op, "1.41.0", Some(64490)),
/// Makes `&` and `&mut` patterns eat only one layer of references in Rust 2024.
(incomplete, ref_pat_eat_one_layer_2024, "CURRENT_RUSTC_VERSION", Some(123076)),
/// Allows `&` and `&mut` patterns to consume match-ergonomics-inserted references.
(incomplete, ref_pat_everywhere, "CURRENT_RUSTC_VERSION", Some(123076)),
/// Allows using the `#[register_tool]` attribute.