text: /* 
   * Copyright 2015 Rhythm & Hues Studios.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  Ext.define('RH.HashSet', {
  
      constructor: function() {
          this._arr = new Array();
      },
  
      add: function(e) {
          var arr = this._arr;
          var i = arr.indexOf(e);
          if (i == -1) arr.push(e);
      },
  
      get: function(i) {
          return this._arr[i];
      },
  
      size: function(i) {
          return this._arr.length;
      },
  
      remove: function(e) {
          var arr =this._arr;
          var i = arr.indexOf(e);
          if (i != -1) arr.splice(i, 1);
      },
  
      toString: function() {
          return this._arr.join(',');
      },
      
      toArray: function() {
          return this._arr;
      }
      
  });