method
dup
v4.2.7 -
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Class: Parameters
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dup()
public
Returns an exact copy of the ActionController::Parameters instance. permitted state is kept on the duped object.
params = ActionController::Parameters.new(a: 1) params.permit! params.permitted? # => true copy_params = params.dup # => {"a"=>1} copy_params.permitted? # => true