diff options
Diffstat (limited to 'library/core/src')
| -rw-r--r-- | library/core/src/mem/maybe_uninit.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index 4be2e5ef1ea..0154caa7c24 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -351,6 +351,9 @@ impl<T> MaybeUninit<T> { /// but `MaybeUninit<&'static i32>::zeroed()` is not because references must not /// be null. /// + /// Note that if `T` has padding bytes, those bytes are *not* preserved when the + /// `MaybeUninit<T>` value is returned from this function, so those bytes will *not* be zeroed. + /// /// Note that dropping a `MaybeUninit<T>` will never call `T`'s drop code. /// It is your responsibility to make sure `T` gets dropped if it got initialized. /// |