Stdle #18 · ownership · 2026-06-24
What does this Rust snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
fn main() { let words = vec![String::from("a"), String::from("bb")]; let lens: Vec<usize> = words.into_iter().map(|w| w.len()).collect(); println!("{:?}", lens);}Ownership