! in ruby
logical operator : it negates the output on a boolean expression! in ruby
logical operator : it negates the output on a boolean expressionruby |=
# When working with arrays |= is useful for uniquely appending to an array.
>> x = [1,2,3]
>> y = [3,4,5]
>> x |= y
>> x
=> [1, 2, 3, 4, 5]Copyright © 2021 Codeinu
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