src/test/run-pass/tail-direct.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
  14 // pretty-expanded FIXME #23616
  15
  16 pub fn main() { assert!((even(42))); assert!((odd(45))); }
  17
  18 fn even(n: isize) -> bool { if n == 0 { return true; } else { return odd(n - 1); } }
  19
  20 fn odd(n: isize) -> bool { if n == 0 { return false; } else { return even(n - 1); } }