From 4b82afb40c91fafdc9e4d84d4782573f848d84d9 Mon Sep 17 00:00:00 2001 From: Caio Date: Thu, 13 Jun 2024 22:12:26 -0300 Subject: Add a new concat metavar expr --- compiler/rustc_feature/src/unstable.rs | 2 ++ 1 file changed, 2 insertions(+) (limited to 'compiler/rustc_feature/src') diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 2410019868a..ebe6aff8d13 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -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 -- cgit 1.4.1-3-g733a5