for (int i = 0; i < sizeof(map_types)/sizeof(*map_types); ++i) {
#ifdef TEST_STRING_KEYS
map_ = map_alloc(map_types[i], &DATATYPE_NSTRING);
for (int i = 0; i < sizeof(map_types)/sizeof(*map_types); ++i) {
#ifdef TEST_STRING_KEYS
map_ = map_alloc(map_types[i], &DATATYPE_NSTRING);