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}}" }