DEQUEUE           221 ext/psych/yaml/api.c         yaml_token_delete(&DEQUEUE(parser, parser->tokens));
DEQUEUE           394 ext/psych/yaml/api.c         yaml_event_delete(&DEQUEUE(emitter, emitter->events));
DEQUEUE           293 ext/psych/yaml/emitter.c         yaml_event_delete(&DEQUEUE(emitter, emitter->events));
DEQUEUE           766 ext/psych/yaml/scanner.c     *token = DEQUEUE(parser, parser->tokens);