src/test/run-fail/if-check-panic.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 // error-pattern:Number is odd
  12 fn even(x: usize) -> bool {
  13     if x < 2 {
  14         return false;
  15     } else if x == 2 { return true; } else { return even(x - 2); }
  16 }
  17
  18 fn foo(x: usize) {
  19     if even(x) {
  20         println!("{}", x);
  21     } else {
  22         panic!("Number is odd");
  23     }
  24 }
  25
  26 fn main() { foo(3); }