References

summary
private	F _iterator(compare: Function, itA: Iterator, itB: Iterator): number Compares two iterators using the given comparison function to compare the yielded elements.
public	F iterable(compare: Function): Function Compile a function that compares two iterables whose yielded elements are compared using the given comparison function.
public	F iterator(compare: Function): Function Compile a function that compares two iterators whose yielded elements are compared using the given comparison function.