Fiber based UI-Toolkit

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On Sunday, 9 July 2017 at 21:12:24 UTC, bauss wrote:
> On Sunday, 9 July 2017 at 19:43:14 UTC, Christian Köstlin wrote:
>> I wonder if there is any fiber based / fiber compatible 
>> UI-Toolkit out for dlang. The second question is, if it would 
>> make sense at all to have such a thing?
>>
>> christian
>
> It doesn't really make sense to have that, because most (if not 
> all) operating systems only allow rendering from a single 
> thread and I believe OSX (possibly macOS too.) only allows it 
> from the main thread. Which means the only thing you can really 
> operate on other threads are events, but you'll always have to 
> do callbacks to your UI thread in order to render.

Aren't all fibers executed from a single thread?