scala map+filter_scala map filter-CSDN博客

网站介绍:文章浏览阅读443次。val a = List(11,4,343) val res = a collect { //简洁 case x if x > 10 => x } val res1 = a.map(_>10).filter(_ == true) // 啰嗦 println(res) println(res1)_scala map filter