Proto for Boost mailing list page: Re: [proto] Streamulus v0.1 is out: An EDSL for Event Stream Processing with C++

Subject: Re: [proto] Streamulus v0.1 is out: An EDSL for Event Stream Processing with C++
From: Dave Abrahams (dave_at_[hidden])
Date: 2012-06-25 09:14:49

on Sun Jun 24 2012, Eric Niebler <eric-xT6NqnoQrPdWk0Htik3J/w-AT-public.gmane.org> wrote:

> On 6/24/2012 4:42 PM, Dave Abrahams wrote:
>> 
>> on Sun Jun 24 2012, Eric Niebler <eric-xT6NqnoQrPdWk0Htik3J/w-AT-public.gmane.org> wrote:
>> 
>>> On 6/24/2012 8:50 AM, Irit Katriel wrote:
>>>>
>>>> In the accumulators library, all the accumulators are invoked for
>>>> every update to the input. This is why the visitation order can be
>>>> determined at compile time.
>>>
>>> That's correct.
>> 
>> Are you forgetting about "droppable" accumulators?
>
> Not forgetting. It doesn't change the fact that the visitation order is
> set at compile time. 

No, but it does change the truth of the statement "all the accumulators
are invoked for every update to the input."

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com