diff options
Diffstat (limited to 'library/core/src/mem')
| -rw-r--r-- | library/core/src/mem/mod.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs index 84fd1a532c1..894ae10e1b4 100644 --- a/library/core/src/mem/mod.rs +++ b/library/core/src/mem/mod.rs @@ -1053,6 +1053,7 @@ pub const fn discriminant<T>(v: &T) -> Discriminant<T> { #[inline(always)] #[unstable(feature = "variant_count", issue = "73662")] #[rustc_const_unstable(feature = "variant_count", issue = "73662")] +#[rustc_diagnostic_item = "mem_variant_count"] pub const fn variant_count<T>() -> usize { intrinsics::variant_count::<T>() } |