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authorCaio <c410.f3r@gmail.com>2024-06-13 22:12:26 -0300
committerCaio <c410.f3r@gmail.com>2024-06-13 22:12:26 -0300
commit4b82afb40c91fafdc9e4d84d4782573f848d84d9 (patch)
tree7d2c67d77f9887f857132045100440280dcd61c0 /compiler/rustc_feature/src/unstable.rs
parent02c7a5921e3de5c2b3ecb2e0082c1dafce0729a1 (diff)
Add a new concat metavar expr
Diffstat (limited to 'compiler/rustc_feature/src/unstable.rs')
-rw-r--r--compiler/rustc_feature/src/unstable.rs2
1 files changed, 2 insertions, 0 deletions
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