我如何开展一项行动,检查身份证,删除第一个名单的不同内容,并增加第二个名单的不同内容?
这些信函是实体Id。 这些数字是记忆中的标注。
List 1: A:1, B:2, C:3, D:4, E:5
List 2: B:6, C:7, E:8, F:9
RemovedElements: A:1, D:4
InvalidElements: B:6, C:7, E:8
ResultList: B:2, C:3, E:5, F:9
是否有任何职能来开展这项工作?
我如何开展一项行动,检查身份证,删除第一个名单的不同内容,并增加第二个名单的不同内容?
这些信函是实体Id。 这些数字是记忆中的标注。
List 1: A:1, B:2, C:3, D:4, E:5
List 2: B:6, C:7, E:8, F:9
RemovedElements: A:1, D:4
InvalidElements: B:6, C:7, E:8
ResultList: B:2, C:3, E:5, F:9
是否有任何职能来开展这项工作?
scala> val l1 = Seq(( A , 1), ( B , 2), ( C , 3), ( D , 4), ( E , 5))
l1: Seq[(Char, Int)] = List((A,1), (B,2), (C,3), (D,4), (E,5))
scala> val l2 = Seq(( B , 6), ( C , 7), ( E , 8), ( F , 9))
l2: Seq[(Char, Int)] = List((B,6), (C,7), (E,8), (F,9))
scala> l2 map { e =>
| l1.find(_._1 == e._1).getOrElse(e)
| }
res51: Seq[(Char, Int)] = List((B,2), (C,3), (E,5), (F,9))
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