observeDurationSync<T> method Null safety

T observeDurationSync<T>(
  1. T callback(
      )
    )

    Observe the duration of callback and store it in the corresponding buckets of a histogram with labels.

    Implementation

    T observeDurationSync<T>(T Function() callback) {
  final stopwatch = Stopwatch()..start();
  try {
    return callback();
  } finally {
    observe(stopwatch.elapsedMicroseconds / Duration.microsecondsPerSecond);
  }
}