

# close method


void close
()


<p>Close the bound channel.</p>
<p>This function does nothing if the object is not bound.</p>


## Implementation

```dart
void close() {
  if (isBound) {
    _reader.close();
    _impl = null;

    final callback = onClose;
    if (callback != null) {
      callback();
    }
  }
}
```