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Re: Please support Coroutines TS in C++


See the thread on gcc-help:
https://gcc.gnu.org/ml/gcc-help/2017-08/msg00045.html



On 19 August 2017 at 14:09, Ramón García <ramon.garcia.f@gmail.com> wrote:
> ping.
>
> On Tue, Aug 15, 2017 at 2:21 PM, Ramón García <ramon.garcia.f@gmail.com> wrote:
>> Hello,
>>
>> Please consider supporting the Coroutines TS in GNU C++.
>>
>> It is really important to make asynchronous programming usable.
>>
>> Modern programs should be scalable to use the performance of multicore
>> processors. Stackless coroutines allow the programmer to scale to
>> millions of asynchronous requests. But without the primitives in the
>> Concurrency TS, chaining the result of an asynchronous computation to
>> the next step, one must program a chain of callbacks. It becomes
>> quickly unusable.
>>
>> The promise/future, as specified in the concurrency TS, (that is, with
>> the function future::then for chaining a callback to the completion of
>> the future) make asynchronous programming somewhat more usable.
>> Unfortunately, almost no C++ library shipped supports future with
>> then.
>>
>> This is an excellent explanation of the Coroutines TS:
>>
>> https://www.slideshare.net/SergeyPlatonov/gor-nishanov-c-coroutines-a-negative-overhead-abstraction
>>
>> Both Visual C++ 2017 and CLANG (SVN version) support the Coroutines
>> TS. Please consider it.
>>
>> I saw that someone started an attempt at implementing it:
>> https://gcc.gnu.org/ml/gcc-patches/2016-03/msg00435.html but there
>> were no replies.


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