File: deep.rs

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rustc 1.87.0%2Bdfsg1-1
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//@ run-pass
//@ ignore-emscripten apparently blows the stack

fn f(x: isize) -> isize {
    if x == 1 { return 1; } else { let y: isize = 1 + f(x - 1); return y; }
}

pub fn main() { assert_eq!(f(5000), 5000); }