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it unlocks many cool features!
- use std::collections::HashMap;
- fn main() {
- let map = [(1, "foo"), (2, "bar")].iter().cloned().collect::<HashMap<_, _>>();
- dbg!(&map);
- let map = map.into_iter().map(|(k, v)| (v, k)).collect::<HashMap<_, _>>();
- dbg!(&map);
- }
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