Add feature gate.

This commit is contained in:
Camille GILLOT 2022-06-22 22:19:02 +02:00
parent 3b1b38d17f
commit 5a20834884
8 changed files with 110 additions and 4 deletions

View file

@ -148,6 +148,8 @@ declare_features! (
/// below (it has to be checked before expansion possibly makes
/// macros disappear).
(active, allow_internal_unstable, "1.0.0", None, None),
/// Allows using anonymous lifetimes in argument-position impl-trait.
(active, anonymous_lifetime_in_impl_trait, "1.63.0", None, None),
/// Allows identifying the `compiler_builtins` crate.
(active, compiler_builtins, "1.13.0", None, None),
/// Outputs useful `assert!` messages