'org.typelevel:scalaz-contrib-undo_2.11:0.2'
<dependency>
<groupId>org.typelevel</groupId>
<artifactId>scalaz-contrib-undo_2.11</artifactId>
<version>0.2</version>
</dependency>
<dependency org="org.typelevel" name="scalaz-contrib-undo_2.11" rev="0.2"/>
"org.typelevel", "scalaz-contrib-undo_2.11", "0.2"