1 #[derive(Clone, Copy, Default, PartialEq, PartialOrd)]
2 #[repr(C, align(16))]
3 pub(crate) struct Align16<T>(pub T);
4
5 impl<T> Align16<T> {
6 #[allow(dead_code)]
as_ptr(&self) -> *const T7 pub fn as_ptr(&self) -> *const T {
8 &self.0
9 }
10
11 #[allow(dead_code)]
as_mut_ptr(&mut self) -> *mut T12 pub fn as_mut_ptr(&mut self) -> *mut T {
13 &mut self.0
14 }
15 }
16
17 #[test]
test_align16()18 fn test_align16() {
19 use core::{mem, ptr};
20 let mut a = Align16::<f32>(1.0);
21 assert_eq!(mem::align_of_val(&a), 16);
22 unsafe {
23 assert_eq!(ptr::read(a.as_ptr()).to_bits(), f32::to_bits(1.0));
24 ptr::write(a.as_mut_ptr(), -1.0);
25 }
26 assert_eq!(a.0.to_bits(), f32::to_bits(-1.0));
27 }
28