Persistent sorted maps and sets with log-time rank queries
'org.clojure:data.avl:0.0.13'
<dependency> <groupId>org.clojure</groupId> <artifactId>data.avl</artifactId> <version>0.0.13</version> </dependency>
<dependency org="org.clojure" name="data.avl" rev="0.0.13"/>
"org.clojure", "data.avl", "0.0.13"