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Diffstat (limited to '')
| -rw-r--r-- | library/core/src/tuple.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/tuple.rs b/library/core/src/tuple.rs index aa8a2425b..fc91fe468 100644 --- a/library/core/src/tuple.rs +++ b/library/core/src/tuple.rs @@ -93,7 +93,8 @@ macro_rules! tuple_impls { maybe_tuple_doc! { $($T)+ @ #[stable(feature = "rust1", since = "1.0.0")] - impl<$($T:Default),+> Default for ($($T,)+) { + #[rustc_const_unstable(feature = "const_default_impls", issue = "87864")] + impl<$($T: ~const Default),+> const Default for ($($T,)+) { #[inline] fn default() -> ($($T,)+) { ($({ let x: $T = Default::default(); x},)+) |