' s s // function function hashKey(obj) { /* * test comment */ var objType = typeof obj, key; if (objType == 'object' && obj !== null) { if (typeof (key = obj.$$hashKey) == 'function') { // must invoke on object to keep the right this key = obj.$$hashKey(); } else if (key === undefined) { key = obj.$$hashKey = nextUid(); } } else { key = obj; } return objType + ':' + key; } function HashMap(array){ forEach(array, this.put, this); } HashMap.prototype = { /** * Store key value pair * @param key key to store can be any type * @param value value to store can be any type */ put: function(key, value) { this[hashKey(key)] = value; }, /** * @param key * @returns {Object} the value for the key */ get: function(key) { return this[hashKey(key)]; }, /** * Remove the key/value pair * @param key */ remove: function(key) { var value = this[key = hashKey(key)]; delete this[key]; return value; } };