// isDirection.js

(function() {
  /*global adventurejs A*/ 
  "use strict";

	var p = adventurejs.Dictionary.prototype;

  /**
   * Is this a direction?
   * @memberOf adventurejs.Dictionary
   * @method adventurejs.Dictionary#isDirection
   * @param {String} word A string to be evaluated.
   * @returns {Boolean}
   */
   p.isDirection = function Dictionary_isDirection( word ) 
  {
    return this.getDirection(word) !== false;
	}
  
}());