src/test/ui/run-pass/structs-enums/empty-tag.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // run-pass
  12 #![allow(non_camel_case_types)]
  13
  14 #[derive(Copy, Clone, Debug)]
  15 enum chan { chan_t, }
  16
  17 impl PartialEq for chan {
  18     fn eq(&self, other: &chan) -> bool {
  19         ((*self) as usize) == ((*other) as usize)
  20     }
  21     fn ne(&self, other: &chan) -> bool { !(*self).eq(other) }
  22 }
  23
  24 fn wrapper3(i: chan) {
  25     assert_eq!(i, chan::chan_t);
  26 }
  27
  28 pub fn main() {
  29     let wrapped = {||wrapper3(chan::chan_t)};
  30     wrapped();
  31 }