diff options
| -rw-r--r-- | src/liballoc/raw_vec.rs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/liballoc/raw_vec.rs b/src/liballoc/raw_vec.rs index ba810bf5faf..79dfa7b6b45 100644 --- a/src/liballoc/raw_vec.rs +++ b/src/liballoc/raw_vec.rs @@ -100,10 +100,11 @@ impl<T> RawVec<T, Global> { /// Reconstitutes a `RawVec` from a pointer and capacity. /// - /// # Undefined Behavior + /// # Safety /// /// The `ptr` must be allocated (on the system heap), and with the given `capacity`. - /// The `capacity` cannot exceed `isize::MAX` (only a concern on 32-bit systems). + /// The `capacity` cannot exceed `isize::MAX` for sized types. (only a concern on 32-bit + /// systems). ZSTs may have a capacity up to `usize::MAX`. /// If the `ptr` and `capacity` come from a `RawVec`, then this is guaranteed. #[inline] pub unsafe fn from_raw_parts(ptr: *mut T, capacity: usize) -> Self { @@ -160,10 +161,11 @@ impl<T, A: AllocRef> RawVec<T, A> { /// Reconstitutes a `RawVec` from a pointer, capacity, and allocator. /// - /// # Undefined Behavior + /// # Safety /// /// The `ptr` must be allocated (via the given allocator `a`), and with the given `capacity`. - /// The `capacity` cannot exceed `isize::MAX` (only a concern on 32-bit systems). + /// The `capacity` cannot exceed `isize::MAX` for sized types. (only a concern on 32-bit + /// systems). ZSTs may have a capacity up to `usize::MAX`. /// If the `ptr` and `capacity` come from a `RawVec` created via `a`, then this is guaranteed. #[inline] pub unsafe fn from_raw_parts_in(ptr: *mut T, capacity: usize, a: A) -> Self { |