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Add a new concat metavar expr

This commit is contained in:
Caio 2024-06-13 22:12:26 -03:00
parent 02c7a5921e
commit 4b82afb40c
15 changed files with 551 additions and 29 deletions

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@ -516,6 +516,8 @@ declare_features! (
(unstable, lint_reasons, "1.31.0", Some(54503)),
/// Give access to additional metadata about declarative macro meta-variables.
(unstable, macro_metavar_expr, "1.61.0", Some(83527)),
/// Provides a way to concatenate identifiers using metavariable expressions.
(unstable, macro_metavar_expr_concat, "CURRENT_RUSTC_VERSION", Some(124225)),
/// Allows `#[marker]` on certain traits allowing overlapping implementations.
(unstable, marker_trait_attr, "1.30.0", Some(29864)),
/// Allows exhaustive pattern matching on types that contain uninhabited types in cases that are