diff options
Diffstat (limited to 'src/test/ui/tail-cps.rs')
-rw-r--r-- | src/test/ui/tail-cps.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/tail-cps.rs b/src/test/ui/tail-cps.rs new file mode 100644 index 000000000..f186683ea --- /dev/null +++ b/src/test/ui/tail-cps.rs @@ -0,0 +1,17 @@ +// 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); } +} |