Future close()

in lib/src/copy/io_sink.dart [82:95]

• 14 lines of code
• 4 McCabe index (conditional complexity)

  Future close() {
    if (_isBound) {
      throw StateError('StreamSink is bound to a stream');
    }
    if (!_isClosed) {
      _isClosed = true;
      if (_controllerInstance != null) {
        _controllerInstance!.close();
      } else {
        _closeTarget();
      }
    }
    return done;
  }