Mara Bos
45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
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use crate::array::Array;
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use std::mem::MaybeUninit as StdMaybeUninit;
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#[derive(Copy)]
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pub struct MaybeUninit<T> {
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inner: StdMaybeUninit<T>,
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}
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impl<T> Clone for MaybeUninit<T>
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where T: Copy
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{
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fn clone(&self) -> Self { *self }
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}
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impl<T> MaybeUninit<T> {
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/// Create a new MaybeUninit with uninitialized interior
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pub const unsafe fn uninitialized() -> Self {
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MaybeUninit { inner: StdMaybeUninit::uninit() }
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}
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/// Create a new MaybeUninit from the value `v`.
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pub fn from(v: T) -> Self {
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MaybeUninit { inner: StdMaybeUninit::new(v) }
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}
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// Raw pointer casts written so that we don't reference or access the
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// uninitialized interior value
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/// Return a raw pointer to the start of the interior array
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pub fn ptr(&self) -> *const T::Item
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where T: Array
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{
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self.inner.as_ptr() as *const T::Item
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}
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/// Return a mut raw pointer to the start of the interior array
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pub fn ptr_mut(&mut self) -> *mut T::Item
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where T: Array
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{
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self.inner.as_mut_ptr() as *mut T::Item
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}
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}
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