method

inverted_lambda

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inverted_lambda() public

Return a lambda that will make this call when given the input values, but then return the boolean inverse of that result.

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# File activesupport/lib/active_support/callbacks.rb, line 419
        def inverted_lambda
          lambda do |target, value, &block|
            target, block, method, *arguments = expand(target, value, block)
            ! target.send(method, *arguments, &block)
          end
        end

inverted_lambda

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