/ Ruby on Rails
/
method

_define_before_model_callback

rails latest stable - Class: ActiveModel::Callbacks
_define_before_model_callback(klass, callback)
private

No documentation available.

# File activemodel/lib/active_model/callbacks.rb, line 129
      def _define_before_model_callback(klass, callback)
        klass.define_singleton_method("before_#{callback}") do |*args, **options, &block|
          options.assert_valid_keys(:if, :unless, :prepend)
          set_callback(:"#{callback}", :before, *args, options, &block)
        end
      end