src/test/ui/cast/cast.rs

   1 // run-pass
   2
   3 #![allow(unused_assignments)]
   4 #![allow(unused_variables)]
   5
   6 pub fn main() {
   7     let i: isize = 'Q' as isize;
   8     assert_eq!(i, 0x51);
   9     let u: u32 = i as u32;
  10     assert_eq!(u, 0x51 as u32);
  11     assert_eq!(u, 'Q' as u32);
  12     assert_eq!(i as u8, 'Q' as u8);
  13     assert_eq!(i as u8 as i8, 'Q' as u8 as i8);
  14     assert_eq!(0x51 as char, 'Q');
  15     assert_eq!(0 as u32, false as u32);
  16
  17     // Test that `_` is correctly inferred.
  18     let x = &"hello";
  19     let mut y = x as *const _;
  20     y = core::ptr::null_mut();
  21 }