startMetric method

DateTime startMetric(
  1. String name, {
  2. String? description,
})

Starts a metric chronometer.

Implementation

DateTime startMetric(String name, {String? description}) {
  var startedMetrics = _startedMetrics ??= {};

  var time = startedMetrics.putIfAbsent(
    name,
    () => (start: DateTime.now(), description: description),
  );
  return time.start;
}