sclass MonoSampleBuffer {
  int halfSample;
  new L<float[]> samples;

  void append(S s) {
    currentLine += s;
    int i;
    while ((i = currentLine.indexOf('\n')) >= 0) {
      // inefficient
      completeLines.add(dropTrailingBackslashR(substring(currentLine, 0, i)));
      currentLine = substring(currentLine, i+1);
    }
  }
  
  float[] getAndClearSamples() {
    int n = 0;
    n += samples.length;
    if (empty(samples)) ret new float[0];
    float[] _samples = samples;
    if (samples.length != 0)
      samples = new float[0];
    ret _samples;
  }
}

Began life as a copy of #1009574