let profile = profile_name.map(|s| s.as_str()).unwrap_or("default");
repo: replicated.live，详情可参考新收录的资料
，推荐阅读新收录的资料获取更多信息
ASCII: "A" = "065" or "o" = "111".，这一点在新收录的资料中也有详细论述
“You know what capabilities we have, and we understand what capabilities the Gulf countries lack,” he said.