Returns all the keys in the supplied map. Each key is returned as a single result, so the function returns as many results as there are keys.
:-) var map = newMap( "hello" ==> "there", "what's" ==> "that", "a" ==> "b" );
There are 0 results
:-) map.mapKeys;
There are 3 results
"a"
"hello"
"what's"