map<S> method
Call the given function on each item in the collection and collect the results in a new Set.
Unlike Iterator#map, this returns a Set, not an Iterator.
@expose
@param {function(T):*} func This function must not modify the collection.
@return {Set.}
Implementation
_i3.Set<S> map<S>(S Function(T) func) => _i4.callMethod(
this,
'map',
[_i4.allowInterop(func)],
);