How to implement Canceleable spawn() from parent

[aberba]

On Sunday, 28 June 2020 at 14:23:01 UTC, Stanislav Blinov wrote:
> On Sunday, 28 June 2020 at 13:29:08 UTC, aberba wrote:
  Thanks.

I believe this:

StopWatch sw;
sw.start;


works becuse D structs are initialized by default, right?
I've never actually done it this way. Little details.