Implements the range interface primitive popBack for built-in
arrays. Due to the fact that nonmember functions can be called with
the first argument using the dot notation, array.popBack is
equivalent to popBack(array). For narrow strings, popFront automatically eliminates the last code point.
Implements the range interface primitive popBack for built-in arrays. Due to the fact that nonmember functions can be called with the first argument using the dot notation, array.popBack is equivalent to popBack(array). For narrow strings, popFront automatically eliminates the last code point.