| 74 | } |
| 75 | |
| 76 | public boolean equiv(Object obj){ |
| 77 | if(!(obj instanceof Map)) |
| 78 | return false; |
| 79 | if(obj instanceof IPersistentMap && !(obj instanceof MapEquivalence)) |
| 80 | return false; |
| 81 | |
| 82 | Map m = (Map) obj; |
| 83 | |
| 84 | if(m.size() != size()) |
| 85 | return false; |
| 86 | |
| 87 | for(ISeq s = seq(); s != null; s = s.next()) |
| 88 | { |
| 89 | Map.Entry e = (Map.Entry) s.first(); |
| 90 | boolean found = m.containsKey(e.getKey()); |
| 91 | |
| 92 | if(!found || !Util.equiv(e.getValue(), m.get(e.getKey()))) |
| 93 | return false; |
| 94 | } |
| 95 | |
| 96 | return true; |
| 97 | } |
| 98 | public int hashCode(){ |
| 99 | int cached = this._hash; |
| 100 | if(cached == 0) |