INNER CODE UNIT · Rust

get_mut_returns_mutable_reference

lunatic-solutions/lunatic · crates/hash-map-id/src/lib.rs:83

    fn get_mut_returns_mutable_reference() {
        let mut hash: HashMapId<i32> = HashMapId::new();
        let value = 10;
        let id = hash.add(value);
        let item = hash.get_mut(id);
        assert_eq!(item, Some(&mut value.clone()));
    }

    #[test]
    fn get_mut_returns_none_for_non_existent_item() {
        let mut hash: HashMapId<i32> = HashMapId::new();
        let item = hash.get_mut(0);
        assert!(item.is_none());
    }

    // add

    #[test]

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