| changeset 421 | 864107857d27 |
| parent 391 | 048fc6b70776 |
| child 460 | f5c0749858fd |
| 420:a6db2b70abdd | 421:864107857d27 |
|---|---|
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)))) |