splitAt method
Splits this object at the given index
and returns a list of one or two objects.
If index
is zero, or if index
is greater than the number of items in this object,
a list containing just this object is returned. If this object was split, a list of two
objects is returned, containing the two new split objects.
Classes the adopt this mixin should not implement this method.
Implementation
List<T> splitAt(int index) => splitAtIndex(SplitAtIndex(index));