D and Async I/O

[Sebastiaan Koppe]

On Thursday, 14 May 2020 at 09:36:33 UTC, Russel Winder wrote:
> Whilst C frameworks use callbacks and trampolines, high level 
> languages seem to be basing things on futures – or things that 
> are effectively isomorphic to futures.

What I find most lacking is proper cancellation. Also, futures 
are eager.

> Concurrency and parallelism will never be solved problems I 
> suspect, but I think there is a fairly good consensus now on 
> what is state of the art.

I haven't found a language that ticks all the boxes. Kotlin comes 
close.

>> I think there are a lot of lessons to be learned from all the 
>> efforts in the programming community.
>> 
>> We should:
>> 
>> - get stackless coroutines
>> - get structured concurrency
>> - steal as many idea from the C++'s executors proposal
>> (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p0443r13.html)
>
> I am not convinced C++ has the best "state of the art" in this 
> respect – after all it is just copying what JVM languages have 
> had for ages, and Rust updated for modern native code languages.

I am not sure you have read the proposal. Initially I brushed it 
off, but upon closer inspection I realised there are some gems in 
there.