string DictListKeys(int dict, string separator)
Returns a lists of all of a dictionary's keys, with separator as a string token between each dictionary key. This is extremely useful for keeping track of what data is in a dictionary for key/value iteration and similar.
int my_dict = DictNew(); DictSetString(my_dict, "foo", "bar"); DictSetString(my_dict, "barf", "fudge"); DictListKeys(my_dict, "+"); // Returns "foo+barf+"
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