FUNCTION
map.keys
pure function keys(): set<K>Returns a set containing the keys of this map.
Examples:
[1: 'a', 2: 'b', 3: 'c'].keys()returnsset([1, 2, 3]).map<K,V>().keys()returnsset()(whereKandVare valid types).
Since 0.6.0
FUNCTION
pure function keys(): set<K>Returns a set containing the keys of this map.
Examples:
[1: 'a', 2: 'b', 3: 'c'].keys() returns set([1, 2, 3]).map<K,V>().keys() returns set() (where K and V are valid types).Since 0.6.0
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