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Stdle #48 · classes · 2026-07-24

What does this Rust snippet output?

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

#[derive(Clone, PartialEq, Debug)]
struct V { n: i32 }
fn main() {
let a = V { n: 5 };
let mut b = a.clone();
b.n = 9;
println!("{}", a == b);
println!("{:?}", a);
}
Classes
2 lines
4 attempts left

Answer & explanation