function baseGet(object, path) {
  path = castPath(path, object);

  var index = 0,
      length = path.length;

  while (object != null && index < length) {
    object = object[toKey(path[index++])];
  }
  return (index && index == length) ? object : undefined;
}
The base implementation of `_.get` without support for default values.

@private
@param {Object} object The object to query.
@param {Array|string} path The path of the property to get.
@returns {*} Returns the resolved value.