public IStopwatch Start()
{
if (!IsRunning)
{
IsRunning = true;
startTick = Ticker.Read();
}
return(this);
}
public IStopwatch Stop()
{
var tick = Ticker.Read();
var wasRunning = IsRunning;
IsRunning = false;
if (wasRunning)
{
elapsedNanos += tick - startTick;
}
return(this);
}