diff options
| -rw-r--r-- | library/core/src/num/niche_types.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/num/niche_types.rs b/library/core/src/num/niche_types.rs index 610d9d8cf92..9ac0eb72bdc 100644 --- a/library/core/src/num/niche_types.rs +++ b/library/core/src/num/niche_types.rs @@ -112,7 +112,8 @@ impl Nanoseconds { pub const ZERO: Self = unsafe { Nanoseconds::new_unchecked(0) }; } -impl Default for Nanoseconds { +#[rustc_const_unstable(feature = "const_default", issue = "143894")] +impl const Default for Nanoseconds { #[inline] fn default() -> Self { Self::ZERO |