src/test/ui/print_type_sizes/uninhabited.rs

   1 // compile-flags: -Z print-type-sizes
   2 // build-pass
   3 // ignore-pass
   4 // ^-- needed because `--pass check` does not emit the output needed.
   5 //     FIXME: consider using an attribute instead of side-effects.
   6
   7 #![feature(never_type)]
   8 #![feature(start)]
   9
  10 #[start]
  11 fn start(_: isize, _: *const *const u8) -> isize {
  12     let _x: Option<!> = None;
  13     let _y: Result<u32, !> = Ok(42);
  14     0
  15 }