(Object coll, Object key)
| 906 | } |
| 907 | |
| 908 | static public Object dissoc(Object coll, Object key) { |
| 909 | if(coll == null) |
| 910 | return null; |
| 911 | return ((IPersistentMap) coll).without(key); |
| 912 | } |
| 913 | |
| 914 | static public Object nth(Object coll, int n){ |
| 915 | if(coll instanceof Indexed) |