import maps

fn test_main() {
    // mmm map declaration as mutable
    mut mmm := map[string]map[string]int{}

    // adding values to the map mmm
    mmm['greet'] = {
        'hello': 0
    }
    mmm['place'] = {
        'world': 1
    }
    mmm['color']['orange'] = 2

    // printing the map mmm
    assert mmm.str() == "{'greet': {'hello': 0}, 'place': {'world': 1}, 'color': {'orange': 2}}"

    // mmm2 map declaration as const
    mmm2 := {
        'name': {
            'Diego': 3
        }
    }

    // printing the map mmm2
    assert mmm2.str() == "{'name': {'Diego': 3}}"

    // Using the maps module functions
    // use of maps.merge is commented but its behavior is the same as merge_in_place
    // mmm = maps.merge(mmm, mmm2)
    maps.merge_in_place(mut mmm, mmm2)

    // printing again mmm to the standard output
    assert mmm.str() == "{'greet': {'hello': 0}, 'place': {'world': 1}, 'color': {'orange': 2}, 'name': {'Diego': 3}}"
}