scalaz/scalaz — pull request #259 by S11001001 (2013-01-19 00:51:49+00:00)
Title: Show instance for Map

```scala
scala> Map(1->2, 3->4).show
res1: scalaz.Cord = Map[1->2, 3->4]

scala> Map[Int,Int]().show
res2: scalaz.Cord = Map[]
```