dart:convert

asStringSink method

ClosableStringSink asStringSink()

Returns this as a ClosableStringSink.

If used, this method must be the first and only call to this. It invalidates this. All further operations must be performed on the result.

Source

ClosableStringSink asStringSink() {
  return new _StringConversionSinkAsStringSinkAdapter(this);
}