Stopwatch constructor
Stopwatch(Creates a Stopwatch in stopped state with a zero elapsed count.
The following example shows how to start a Stopwatch immediately after allocation.
var stopwatch = new Stopwatch()..start();
Source
Stopwatch() { if (_frequency == null) _initTicker(); }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-core/Stopwatch/Stopwatch.html