method

transform_values

v4.2.9 - Show latest stable - 0 notes - Class: Parameters

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What's this?

transform_values() public

Returns a new ActionController::Parameters with the results of running block once for every value. The keys are unchanged.

params = ActionController::Parameters.new(a: 1, b: 2, c: 3)
params.transform_values { |x| x * 2 }
# => {"a"=>2, "b"=>4, "c"=>6}

Show source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 397
    def transform_values
      if block_given?
        new_instance_with_inherited_permitted_status(super)
      else
        super
      end
    end

transform_values

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