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Subject: Re: [boost] combinations and permutations
From: Howard Hinnant (howard.hinnant_at_[hidden])
Date: 2011-01-06 10:28:44

On Jan 6, 2011, at 7:40 AM, Mathias Gaunard wrote:

> On 05/01/2011 15:38, Howard Hinnant wrote:
>> I looked at:
>> and was unsuccessful in translating that idea to this application. Perhaps you could elaborate?
> Look at the first example on that page, produce/consume: your for_each-style algorithm is similar to the 'produce' coroutine, and iteration of ranges is similar to the 'consume' coroutine.
> Coroutines are typically implemented in C++ by storing the current context somewhere (registers, stack, PC), and switching to another context. This can be done in assembler or using OS-specific routines.
> It's similar to threads, except there is no scheduler, typically no kernel, and no concurrency involved.
> There is a Boost.Coroutine library somewhere, if you want to try it. I wrote some code with it that converts a for_each-style mechanism into a classic pair of iterators, if you're interested.

Thanks for the elaboration.

I'm currently lacking the time and motivation to pursue this transformation. However I would eagerly review the results if someone were to take up that mantle and run with it.


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