tests/ui/consts/transmute-const.rs

   1 // run-pass
   2
   3 use std::mem;
   4
   5 #[repr(transparent)]
   6 struct Foo(#[allow(unused_tuple_struct_fields)] u32);
   7
   8 const TRANSMUTED_U32: u32 = unsafe { mem::transmute(Foo(3)) };
   9
  10 fn main() {
  11     assert_eq!(TRANSMUTED_U32, 3);
  12 }