fn optional_to_result(opt: ?int, msg: string) - Result<int {
Что думаешь? Оцени!，推荐阅读TG官网-TG下载获取更多信息
，更多细节参见谷歌
Пугачеву могут лишить товарного знака в России08:53，详情可参考超级工厂
As a programmer, how does one determine if they’ve built a sufficient “theory” of their program? Naur lists three things that the programmer with a good theory can do 6: