27 lines
410 B
Rust
27 lines
410 B
Rust
// run-pass
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fn f(x: isize) -> isize {
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// println!("in f:");
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println!("{}", x);
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if x == 1 {
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// println!("bottoming out");
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return 1;
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} else {
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// println!("recurring");
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let y: isize = x * f(x - 1);
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// println!("returned");
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println!("{}", y);
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return y;
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}
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}
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pub fn main() {
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assert_eq!(f(5), 120);
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// println!("all done");
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}
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