Tracking Issue for const_intrinsic_copy · Issue #80697 · rust-lang/rust (original) (raw)
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Description
Feature gate: #![feature(const_intrinsic_copy)]
This is a tracking issue for making the functions ptr::copy
and ptr::copy_nonoverlapping
as well as some related functions const fn
.
Public API
mod ptr { pub const unsafe fn copy_nonoverlapping(src: *const T, dst: *mut T, count: usize); pub const unsafe fn copy(src: *const T, dst: *mut T, count: usize); }
impl *const T { pub const unsafe fn copy_to(self, dest: *mut T, count: usize); pub const unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize); }
impl *mut T { pub const unsafe fn copy_to(self, dest: *mut T, count: usize); pub const unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize);
pub const unsafe fn copy_from(self, src: *const T, count: usize);
pub const unsafe fn copy_from_nonoverlapping(self, src: *const T, count: usize);
}
Steps / History
- Implementation of
ptr::copy
andptr::copy_nonoverlapping
asconst fn
: Make copy[_nonoverlapping] const #79684- Link to this issue in feature gate: const_intrinsic_copy - Add Reference to tracking issue #80699
- Also constify
copy_to
,copy_from
and friends : Constify copy related functions #83091 - Final commenting period (FCP)
- Stabilization PR: Stabilize const_intrinsic_copy #97276
- De-stabilization PR: revert stabilization of const_intrinsic_copy #117905
- TODO: new stabilization PR, once Tracking issue for &mut T in const contexts (const_mut_refs) #57349 is stable