Ruby |= pipe assignment operator
Updated
•1 min readirb(main):021> arr = [3]
=> [3]
irb(main):022> arr |= [3]
=> [3]
irb(main):023> arr |= [3, 2]
=> [3, 2]
irb(main):024> arr |= [3, 2]
=> [3, 2]
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