lru.

lib/bcoin/lru.js

@@ -14,10 +14,9 @@ var assert = utils.assert;
  * @constructor
  * @param {Number} maxSize
  * @param {Function?} getSize
- * @param {Function?} onRemove
  */
 
-function LRU(maxSize, getSize, onRemove) {
+function LRU(maxSize, getSize) {
   if (!(this instanceof LRU))
     return new LRU(maxSize, getSize);
 
@@ -25,7 +24,6 @@ function LRU(maxSize, getSize, onRemove) {
   this.size = 0;
   this.maxSize = maxSize;
   this.getSize = this._createGetSize(getSize);
-  this.onRemove = onRemove;
 
   this.head = null;
   this.tail = null;
@@ -88,8 +86,6 @@ LRU.prototype._compact = function _compact() {
       break;
     this.size -= this._getSize(item);
     delete this.data[item.key];
-    if (this.onRemove)
-      this.onRemove(item.key, item.value);
     next = item.next;
     item.prev = null;
     item.next = null;
@@ -114,8 +110,6 @@ LRU.prototype.reset = function reset() {
 
   for (item = this.head; item; item = next) {
     delete this.data[item.key];
-    if (this.onRemove)
-      this.onRemove(item.key, item.value);
     next = item.next;
     item.prev = null;
     item.next = null;
@@ -213,8 +207,6 @@ LRU.prototype.remove = function remove(key) {
   this.size -= this._getSize(item);
 
   delete this.data[key];
-  if (this.onRemove)
-    this.onRemove(item.key, item.value);
 
   this._removeList(item);
 
@@ -313,19 +305,4 @@ LRU.prototype.toArray = function toArray() {
   return items;
 };
 
-/**
- * Create an iterator with a `next` method.
- * @returns {Function}
- */
-
-LRU.prototype.iterator = function iterator() {
-  return {
-    item: { next: this.head },
-    next: function() {
-      this.item = this.item.next;
-      return this.item;
-    }
-  };
-};
-
 module.exports = LRU;