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How to use eval_in_out_context method of ClassMethods Package

Best Howitzer_ruby code snippet using ClassMethods.eval_in_out_context

page_dsl.rb

Source:page_dsl.rb

...25        #   * `out` method extracts an instance variable from an original context if starts from @.26        #    Otherwise it executes a method from an original context27        def method_missing(name, *args, **options, &block)28          return super if name =~ /\A(?:be|have)_/29          return eval_in_out_context(*args, **options, &block) if name == :out30          if options.present?31            page_klass.given.send(name, *args, **options, &block)32          else33            page_klass.given.send(name, *args, &block)34          end35        end36        # Makes proxied methods to be evaludated and returned as a proc37        # @see #method_missing38        def respond_to_missing?(name, include_private = false)39          name !~ /\A(?:be|have)_/ || super40        end41        private42        def eval_in_out_context(*args, **options, &block)43          return nil if args.size.zero?44          name = args.shift45          return get_outer_instance_variable(name) if name.to_s.start_with?('@')46          if options.present?47            outer_context.send(name, *args, **options, &block)48          else49            outer_context.send(name, *args, &block)50          end51        end52        def get_outer_instance_variable(name)53          outer_context.instance_variable_get(name)54        end55        attr_accessor :page_klass, :outer_context56      end...

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