(computing, programming)
Pop means removing and returning the top element of a stack. See the opposite push for an example.
Perl function:
pop @array
Removes and returns the last element of @array, reducing its length by 1. If @array contains no elements, the undefined value is returned.
If no argument is given, pop affects @ARGV (in the main program) or @_ (in a subroutine).
See also push, shift and unshift.
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