Stopwatch constructor
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 = Stopwatch()..start();
Implementation
Stopwatch() { _frequency; // Ensures initialization before using any method. }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-core/Stopwatch/Stopwatch.html