code: func yaml_parser_parse_flow_sequence_entry_mapping_end(parser *yaml_parser_t, event *yaml_event_t) bool {
  	token := peek_token(parser)
  	if token == nil {
  		return false
  	}
  	parser.state = yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE
  	*event = yaml_event_t{
  		typ:        yaml_MAPPING_END_EVENT,
  		start_mark: token.start_mark,
  		end_mark:   token.start_mark, // [Go] Shouldn't this be end_mark?
  	}
  	return true
  }
docs: // Parse the productions:
  // flow_sequence_entry  ::= flow_node | KEY flow_node? (VALUE flow_node?)?
  //                                                                      *
  //