Returns a new lazy
Iterable with elements that are created by
f on each element of this
Iterable in iteration order.
This method returns a view of the mapped elements. As long as the
Iterable is not iterated over, the supplied function
not be invoked. The transformed elements will not be cached. Iterating
multiple times over the returned
Iterable will invoke the supplied
f multiple times on the same element.
Methods on the returned iterable are allowed to omit calling
on any element where the result isn't needed.
elementAt may call
f only once.
Iterable<T> map<T>(T f(E element)) => new MappedListIterable<E, T>(this, f);