code: function tryCallback(callback, args) {
    try {
      return callback.apply(this, args);
    } catch (e) {
      if (typeof e === 'string') {
        return new binding.types.Error(e);
      } else if (e instanceof Error) {
        return new binding.types.Error(e.message);
      } else {
        return new binding.types.Error('An unexpected error occurred');
      }
    }
  }
docs: Executes a callback and transforms any exception raised into a sass error
  
  @param {Function} callback
  @param {Array} arguments
  @api private