code: def compose(self, other):
          '''(>>) Sequentially compose two actions, discarding any value produced
          by the first.'''
          @Parser
          def compose_parser(text, index):
              res = self(text, index)
              return res if not res.status else other(text, res.index)
          return compose_parsef compose(self, other):
          '''(>>) Sequentially compose two actions, discarding any value produced
          by the first.'''
          @Parser
          def compose_parser(text, index):
              res = self(text, index)
              return res if not res.status else other(text, res.index)
          return compose_parser
docs: (>>) Sequentially compose two actions, discarding any value produced
          by the first.