| changeset 424 | daf561a83ba6 |
| parent 391 | 0930e4555b60 |
| child 463 | 0315d9983cd0 |
| 423:e9d14d58be3c | 424:daf561a83ba6 |
|---|---|
1 import CW9a._ |
1 import M4a._ |
2 |
2 |
3 |
3 |
4 val f_urban = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None |
4 val f_urban = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None |
5 |
5 |
6 assert(first(List((1,0),(2,0),(3,0),(4,0)), f_urban) == Some(List((4,0)))) |
6 assert(first(List((1,0),(2,0),(3,0),(4,0)), f_urban) == Some(List((4,0)))) |