| author | Christian Urban <urbanc@in.tum.de> |
| Thu, 01 Aug 2019 09:48:34 +0100 | |
| changeset 268 | d20583497c5b |
| parent 263 | 43297a2f7740 |
| child 284 | fc20e5f83f0e |
| permissions | -rw-r--r-- |
| 263 | 1 |
|
2 |
val ls_urban = List(("1", "a"), ("2", "a"), ("1", "c"), ("2", "a"), ("1", "c"))
|
|
3 |
||
4 |
val m_urban = groupById(ls_urban, Map()) |
|
5 |
||
6 |
assert(m_urban.getOrElse("1", Nil).count(_ == "c") == 2)
|
|
7 |
assert(m_urban.getOrElse("1", Nil).count(_ == "a") == 1)
|
|
8 |
assert(m_urban.getOrElse("2", Nil) == List("a", "a"))
|