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