| #[derive(Clone, Copy, Default, PartialEq, PartialOrd)] |
| #[repr(C, align(16))] |
| pub(crate) struct Align16<T>(pub T); |
| |
| impl<T> Align16<T> { |
| #[allow(dead_code)] |
| pub fn as_ptr(&self) -> *const T { |
| &self.0 |
| } |
| |
| #[allow(dead_code)] |
| pub fn as_mut_ptr(&mut self) -> *mut T { |
| &mut self.0 |
| } |
| } |
| |
| #[test] |
| fn test_align16() { |
| use core::{mem, ptr}; |
| let mut a = Align16::<f32>(1.0); |
| assert_eq!(mem::align_of_val(&a), 16); |
| unsafe { |
| assert_eq!(ptr::read(a.as_ptr()).to_bits(), f32::to_bits(1.0)); |
| ptr::write(a.as_mut_ptr(), -1.0); |
| } |
| assert_eq!(a.0.to_bits(), f32::to_bits(-1.0)); |
| } |
