src/test/run-pass/enum-discr.rs

   1 // Copyright 2014 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
  12 enum Animal {
  13     Cat = 0,
  14     Dog = 1,
  15     Horse = 2,
  16     Snake = 3,
  17 }
  18
  19 enum Hero {
  20     Batman = -1,
  21     Superman = -2,
  22     Ironman = -3,
  23     Spiderman = -4
  24 }
  25
  26 pub fn main() {
  27     let pet: Animal = Animal::Snake;
  28     let hero: Hero = Hero::Superman;
  29     assert!(pet as usize == 3);
  30     assert!(hero as isize == -2);
  31 }