diff options
Diffstat (limited to 'library/core/src/array')
| -rw-r--r-- | library/core/src/array/mod.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 1d55a5ef659..123a191dd2c 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -353,8 +353,9 @@ impl<T: Ord, const N: usize> Ord for [T; N] { } } -// The Default impls cannot be generated using the array_impls! macro because -// they require array literals. +// The Default impls cannot be done with const generics because `[T; 0]` doesn't +// require Default to be implemented, and having different impl blocks for +// different numbers isn't supported yet. macro_rules! array_impl_default { {$n:expr, $t:ident $($ts:ident)*} => { |