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Edit
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  • References
  • Ruby on Rails
  • Rails
  • Classes
  • ActionController
  • ActionController::Parameters

dup

dup()
Instance Public methods

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
Links:
  • https://github.com/rails/rails/blob/c7d93fb58077c1f43967ad79f15f2ae4beec44dd/actionpack/lib/action_controller/metal/strong_parameters.rb#L328
doc_ruby_on_rails
doc_ruby_on_rails
2025-01-10 15:47:30
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