Function guide_maybe_optional

common/json_parse.c:252–259

}

static bool guide_maybe_optional(const char **guide)
{
	if (**guide == '?') {
		guide_consume_one(guide);
		return true;
	}
	return false;
}

/* Recursion: return NULL on success, errmsg on fail */
static const char *parse_obj(const char *buffer,