Returns the exact count of items in the iterable.
Creates the reverse iterator for this iterable.
StaticfromCreates an infinite range [start,∞).
start for the range
StatictoCreates an integer half-open range [0,end), optionally with a step.
end for the range
StatictoCreates an integer closed range [0,end], optionally with a step.
end for the range
A half-open integer range.
This should be constructed with RangeFrom.prototype.to.