src/test/ui/consts/const-nonzero.rs

   1 // run-pass
   2
   3 use std::num::NonZeroU8;
   4
   5 const X: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(5) };
   6 const Y: u8 = X.get();
   7
   8 const ZERO: Option<NonZeroU8> = NonZeroU8::new(0);
   9 const ONE: Option<NonZeroU8> = NonZeroU8::new(1);
  10
  11 fn main() {
  12     assert_eq!(Y, 5);
  13
  14     assert!(ZERO.is_none());
  15     assert_eq!(ONE.unwrap().get(), 1);
  16 }