code: function result(object, path, defaultValue) {
          if (!isKey(path, object)) {
            path = baseCastPath(path);
            var result = get(object, path);
            object = parent(object, path);
          } else {
            result = object == null ? undefined : object[path];
          }
          if (result === undefined) {
            result = defaultValue;
          }
          return isFunction(result) ? result.call(object) : result;
        }
docs: This method is like `_.get` except that if the resolved value is a function
  it's invoked with the `this` binding of its parent object and its result
  is returned.
  
  @static
  @memberOf _
  @category Object
  @param {Object} object The object to query.
  @param {Array|string} path The path of the property to resolve.
  @param {*} [defaultValue] The value returned if the resolved value is `undefined`.
  @returns {*} Returns the resolved value.
  @example
  
  var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
  
  _.result(object, 'a[0].b.c1');
  // => 3
  
  _.result(object, 'a[0].b.c2');
  // => 4
  
  _.result(object, 'a[0].b.c3', 'default');
  // => 'default'
  
  _.result(object, 'a[0].b.c3', _.constant('default'));
  // => 'default'