addError method

void addError(error, [ StackTrace stackTrace ])

Passes the error to the target consumer as an error event.

This function must not be called when a stream is currently being added using addStream.

This operation is non-blocking. See flush or done for how to get any errors generated by this call.

Source

void addError(error, [StackTrace stackTrace]) {
  _sink.addError(error, stackTrace);
}

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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-io/Stdout/addError.html