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std: Add init and uninit to mem. Replace direct intrinsic usage

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This commit is contained in:
Brian Anderson 2014-02-08 02:46:55 -08:00
parent 49ac48db3f
commit d433b80e02
19 changed files with 60 additions and 43 deletions
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5
src/libstd/ptr.rs
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@ -15,6 +15,7 @@ use clone::Clone;
#[cfg(not(test))]
use cmp::Equiv;
use iter::{range, Iterator};
use mem;
use option::{Option, Some, None};
use unstable::intrinsics;
use util::swap;
@ -132,7 +133,7 @@ pub unsafe fn zero_memory<T>(dst: *mut T, count: uint) {
#[inline]
pub unsafe fn swap_ptr<T>(x: *mut T, y: *mut T) {
// Give ourselves some scratch space to work with
let mut tmp: T = intrinsics::uninit();
let mut tmp: T = mem::uninit();
let t: *mut T = &mut tmp;
// Perform the swap
@ -160,7 +161,7 @@ pub unsafe fn replace_ptr<T>(dest: *mut T, mut src: T) -> T {
*/
#[inline(always)]
pub unsafe fn read_ptr<T>(src: *T) -> T {
let mut tmp: T = intrinsics::uninit();
let mut tmp: T = mem::uninit();
copy_nonoverlapping_memory(&mut tmp, src, 1);
tmp
}