code: function baseUnset(object, path) {
    path = isKey(path, object) ? [path] : castPath(path);
    object = parent(object, path);
  
    var key = toKey(last(path));
    return !(object != null && hasOwnProperty.call(object, key)) || delete object[key];
  }
docs: The base implementation of `_.unset`.
  
  @private
  @param {Object} object The object to modify.
  @param {Array|string} path The path of the property to unset.
  @returns {boolean} Returns `true` if the property is deleted, else `false`.