Flowdock
method

dup

Importance_1
Ruby on Rails latest stable (v4.0.2) - 0 notes - 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
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