Function two_leaf

cranelift/bforest/src/map.rs:1197–1204

Make a tree with two barely healthy leaf nodes: [ 10 20 30 40 ] [ 50 60 70 80 ]

(f: &mut MapForest<u32, f32>)

    // Make a tree with two barely healthy leaf nodes:
    // [ 10 20 30 40 ] [ 50 60 70 80 ]
    fn two_leaf(f: &mut MapForest<u32, f32>) -> Map<u32, f32> {
        f.clear();
        let mut m = Map::new();
        for n in 1..9 {
            m.insert(n * 10, n as f32, f, &());
        }
        m
    }

    #[test]
    fn remove_level1() {