code: function(root, parsedPath, options) {
      var val,
          path = parsedPath.path;
  
      if (path === 'this') {
        val = root;
      } else if (path === '') {
        val = true;
      } else {
        val = getPath(root, path, options);
      }
  
      return Ember.View._classStringForValue(path, val, parsedPath.className, parsedPath.falsyClassName);
    }
docs: Helper method to retrieve the property from the context and determine which class string to return, based on whether it is a Boolean or not.