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kleytonmr/pop.rb

Last active June 1, 2020 03:04
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pop.rb
# arr.pop( ‹n›* pop ) → obj or nil
a = %w[ f r a b j o u s ]
a.pop # => "s"
a # => ["f", "r", "a", "b", "o", "u"]
a.pop(3) # => ["b", "o", "u"]
a # => ["f", "r", "a", "b"]
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