{"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"set.insert_range(3..5);"}]}
    set.insert_range(3..5);
    assert_eq!(set.iter().collect::<Vec<_>>(), [0, 1, 2, 3, 5, 6]);
    assert_eq!(set.iter().collect::<Vec<_>>(), [0, 1, 2, 3, 4, 5, 6]);