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register_detail(name, options = {}, &block) public

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# File actionpack/lib/action_view/lookup_context.rb, line 23
    def self.register_detail(name, options = {}, &block)
      self.registered_details << name
      self.registered_detail_setters << [name, "#{name}="]

      Accessors.send :define_method, :"_#{name}_defaults", &block
      Accessors.module_eval         def #{name}          @details[:#{name}]        end        def #{name}=(value)          value = Array.wrap(value.presence || _#{name}_defaults)          _set_detail(:#{name}, value) if value != @details[:#{name}]        end, __FILE__, __LINE__ + 1
    end
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