rust/src/test/run-pass/tail-direct.rs
2012-08-01 19:16:06 -07:00

10 lines
239 B
Rust

// -*- rust -*-
fn main() { assert (even(42)); assert (odd(45)); }
fn even(n: int) -> bool { if n == 0 { return true; } else { return odd(n - 1); } }
fn odd(n: int) -> bool { if n == 0 { return false; } else { return even(n - 1); } }