Returns if the given key exists or not in the ds_map specified.


ds_map_exists(id, key);

Argument Description
id the id of the data structure to check
key the key to check for

Returns: boolean


This function will return true if the specified key exists in the (previously created) ds_map, and false if it does not.


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.

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