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// run-pass
fn checktrue(rs: bool) -> bool { assert!((rs)); return true; }
pub fn main() { let k = checktrue; evenk(42, k); oddk(45, k); }
fn evenk(n: isize, k: fn(bool) -> bool) -> bool {
println!("evenk");
println!("{}", n);
if n == 0 { return k(true); } else { return oddk(n - 1, k); }
}
fn oddk(n: isize, k: fn(bool) -> bool) -> bool {
println!("oddk");
println!("{}", n);
if n == 0 { return k(false); } else { return evenk(n - 1, k); }
}
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