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[ACP 362] genericize ptr::from_raw_parts

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This commit is contained in:
Scott McMurray
2024-05-28 19:00:37 -07:00
parent 751691271d
commit 0d63e6b608
13 changed files with 28 additions and 18 deletions
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8
library/core/src/ptr/mod.rs
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@@ -565,7 +565,7 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
#[rustc_allow_const_fn_unstable(ptr_metadata)]
#[rustc_diagnostic_item = "ptr_null"]
pub const fn null<T: ?Sized + Thin>() -> *const T {
from_raw_parts(without_provenance(0), ())
from_raw_parts(without_provenance::<()>(0), ())
}
/// Creates a null mutable raw pointer.
@@ -591,7 +591,7 @@ pub const fn null<T: ?Sized + Thin>() -> *const T {
#[rustc_allow_const_fn_unstable(ptr_metadata)]
#[rustc_diagnostic_item = "ptr_null_mut"]
pub const fn null_mut<T: ?Sized + Thin>() -> *mut T {
from_raw_parts_mut(without_provenance_mut(0), ())
from_raw_parts_mut(without_provenance_mut::<()>(0), ())
}
/// Creates a pointer with the given address and no provenance.
@@ -835,7 +835,7 @@ pub const fn from_mut<T: ?Sized>(r: &mut T) -> *mut T {
#[rustc_allow_const_fn_unstable(ptr_metadata)]
#[rustc_diagnostic_item = "ptr_slice_from_raw_parts"]
pub const fn slice_from_raw_parts<T>(data: *const T, len: usize) -> *const [T] {
intrinsics::aggregate_raw_ptr(data, len)
from_raw_parts(data, len)
}
/// Forms a raw mutable slice from a pointer and a length.
@@ -881,7 +881,7 @@ pub const fn slice_from_raw_parts<T>(data: *const T, len: usize) -> *const [T] {
#[rustc_const_unstable(feature = "const_slice_from_raw_parts_mut", issue = "67456")]
#[rustc_diagnostic_item = "ptr_slice_from_raw_parts_mut"]
pub const fn slice_from_raw_parts_mut<T>(data: *mut T, len: usize) -> *mut [T] {
intrinsics::aggregate_raw_ptr(data, len)
from_raw_parts_mut(data, len)
}
/// Swaps the values at two mutable locations of the same type, without