src/test/run-pass/use-uninit-match2.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
  12
  13 fn foo<T>(o: myoption<T>) -> isize {
  14     let mut x: isize;
  15     match o {
  16         myoption::none::<T> => { panic!(); }
  17         myoption::some::<T>(_t) => { x = 5; }
  18     }
  19     return x;
  20 }
  21
  22 enum myoption<T> { none, some(T), }
  23
  24 pub fn main() { println!("{}", 5); }