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Refine docs for RawVec::from_raw_parts(_in)

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Tim Diekmann 2020-03-25 18:44:29 +01:00
parent aae3c52c7a
commit ad7de67a32
1 changed files with 6 additions and 4 deletions
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10
src/liballoc/raw_vec.rs
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@ -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 {