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Stdle #8 · 2026-06-14

What does this log?

A past puzzle — fully playable. 4 attempts, hints on wrong guesses.

fn main() {
    let mut x: Option<i32> = None;
    let r = x.get_or_insert(8);
    println!("{}", r);
    let mut y = Some(3);
    println!("{}", y.get_or_insert(8));
}
Option
2 lines
4 attempts left

Answer & explanation