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Better impl of write

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This commit is contained in:
Emil Fresk 2019-08-09 14:56:40 +02:00
parent e9bc00bc9b
commit 7de26409c2
1 changed files with 2 additions and 7 deletions
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9
src/export.rs
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@ -1,7 +1,5 @@
//! IMPLEMENTATION DETAILS. DO NOT USE ANYTHING IN THIS MODULE
#[cfg(not(feature = "nightly"))]
use core::ptr;
use core::{cell::Cell, u8};
#[cfg(armv7m)]
@ -101,11 +99,8 @@ impl<T> MaybeUninit<T> {
#[cfg(not(feature = "nightly"))]
pub fn write(&mut self, value: T) -> &mut T {
let ptr = self.inner.as_mut_ptr();
unsafe {
ptr::write_volatile(ptr, value);
&mut *ptr
}
self.inner = core::mem::MaybeUninit::new(value);
unsafe { self.get_mut() }
}
}