module RuboCop::EightyFourCodes::Util
Utility methods
Constants
- SizeError
Error raised by `Util.one` if size is less than zero or greater than one
Public Instance Methods
one(array)
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Return only element in array if it contains exactly one member
# File lib/rubocop/eighty_four_codes/util.rb, line 11 def one(array) return array.first if array.one? raise SizeError, "expected size to be exactly 1 but size was #{array.size}" end