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Stabilize ptr::slice_from_raw_parts[_mut]

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CAD97 2020-01-14 16:45:11 -05:00
parent 72b2bd55ed
commit f76177ce43
3 changed files with 5 additions and 8 deletions
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11
src/libcore/ptr/mod.rs
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@ -248,17 +248,16 @@ pub(crate) struct FatPtr<T> {
/// # Examples
///
/// ```rust
/// #![feature(slice_from_raw_parts)]
/// use std::ptr;
///
/// // create a slice pointer when starting out with a pointer to the first element
/// let mut x = [5, 6, 7];
/// let ptr = &mut x[0] as *mut _;
/// let slice = ptr::slice_from_raw_parts_mut(ptr, 3);
/// let x = [5, 6, 7];
/// let ptr = &x[0] as *const _;
/// let slice = ptr::slice_from_raw_parts(ptr, 3);
/// assert_eq!(unsafe { &*slice }[2], 7);
/// ```
#[inline]
#[unstable(feature = "slice_from_raw_parts", reason = "recently added", issue = "36925")]
#[stable(feature = "slice_from_raw_parts", since = "1.42.0")]
#[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")]
pub const fn slice_from_raw_parts<T>(data: *const T, len: usize) -> *const [T] {
unsafe { Repr { raw: FatPtr { data, len } }.rust }
@ -275,7 +274,7 @@ pub const fn slice_from_raw_parts<T>(data: *const T, len: usize) -> *const [T] {
/// [`slice_from_raw_parts`]: fn.slice_from_raw_parts.html
/// [`from_raw_parts_mut`]: ../../std/slice/fn.from_raw_parts_mut.html
#[inline]
#[unstable(feature = "slice_from_raw_parts", reason = "recently added", issue = "36925")]
#[stable(feature = "slice_from_raw_parts", since = "1.42.0")]
#[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")]
pub const fn slice_from_raw_parts_mut<T>(data: *mut T, len: usize) -> *mut [T] {
unsafe { Repr { raw: FatPtr { data, len } }.rust_mut }