This function will return true if the specified key exists in the (previously created) DS map , and false if it does not.
ds_map_exists(id, key);
| Argument | Type | Description |
|---|---|---|
| id | DS Map | The id of the data structure to check |
| key | String | The key to check for |
if (!ds_map_exists(inventory, "potions"))
{
ds_map_add(inventory, "potions", 1);
}
The above code will check the DS map indexed in the variable "inventory" for the key "potions" and if it doesn't exist it will add it to the map.