method
transform_values
v4.2.7 -
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Class: Parameters
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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}