18 lines
277 B
Rust
18 lines
277 B
Rust
// run-pass
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fn even(x: usize) -> bool {
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if x < 2 {
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return false;
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} else if x == 2 { return true; } else { return even(x - 2); }
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}
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fn foo(x: usize) {
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if even(x) {
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println!("{}", x);
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} else {
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panic!();
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}
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}
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pub fn main() { foo(2); }
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