摘要: Let's we want to combine two account accidently have the same name. So, here we can use Semi-group to combine them, because the semi-group have the kn 阅读全文
posted @ 2016-12-15 19:32 Zhentiw 阅读(216) 评论(0) 推荐(0)
摘要: An introduction to concatting items via the formal Semi-group interface. Semi-groups are simply a type with a concat method that are associative. We d 阅读全文
posted @ 2016-12-15 19:19 Zhentiw 阅读(381) 评论(0) 推荐(0)