Is this the best way to share Tids between threads?

[TencoDK via Digitalmars-d]

On Sunday, 14 August 2016 at 00:33:18 UTC, Charles Hixson wrote:
> I'm trying to figure out the best way to have multiple threads 
> that can each send messages to the other threads.
>
> I've come up with two basic approaches, one uses the main 
> thread as a relay, and the other uses a shared array of 
> Tid...thus:
>
> import    std.concurrency;
> import    std.stdio;
>
> import    core.thread;
>
> shared    Tid[8]    tidList;
>
> void    worker (int ndx)
> { Thread.sleep (5.msecs);
>     writeln ("worker is done");
> }
>
> void    main()
> {
>     auto tid    =    spawn (&worker, 0);
>     tidList[0]    =    cast(shared Tid)tid;
>     Thread.sleep (40.msecs);
>     writeln ("main is done");
> }
>
> Is there a reasonable way to decide which way is best?  Is 
> there a better way that I just haven't thought of? Are there 
> problems with sending messages via shared Tids that I just 
> haven't thought of yet?

I'm sending immutable Tid[string] to each thread, though I don't 
spawn new threads after app initializing. Works well if you don't 
have to encapsulate your threads.