That means Option must store an explicit discriminant.
Why does that make it your favorite?
，推荐阅读Line官方版本下载获取更多信息
Source: Computational Materials Science, Volume 267
Николай Шестаковофициальный представитель Министерства транспорта России
EUPL: European Union Public License
· 郭瑞 · 来源：tutorial资讯