$map1 map{int: str} = {42 => "hello1",} test maplookup($map1, 42, "not found") {} $map2 map{int: str} = {42 => "hello2",} test maplookup($map2, 13, "world2") {} $map3 = {42 => "hello3",} test maplookup($map3, 42, "not found") {} $map4 = {42 => "hello4",} test maplookup($map4, 13, "world4") {}