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Subject: Re: [boost] Final lightweight monad, next gen futures and upcoming AFIO review (was: Re: [next gen futures] Lightweight monad ready
From: Andrzej Krzemienski (akrzemi1_at_[hidden])
Date: 2015-06-26 04:42:59

2015-06-26 3:11 GMT+02:00 Niall Douglas <s_sourceforge_at_[hidden]>:

> On 22 Jun 2015 at 1:43, Niall Douglas wrote:
> > Firstly Vicente your three emails contained a ton of gold quality
> > observations. From those I have generated this task list:
> > [snip]
> > Thank you *hugely* for your feedback Vicente. It was extremely
> > valuable to me.
> For those interested, the final version of lightweight monad hit
> github earlier today. Highlights:
> monad is now space optimal, consuming as little as two bytes
> depending on configuration. monad<void> is now working, plus these
> new specialisations were added:
> * result<T>: empty/T/error_code (no exception_ptr).

To what run-time condition does an empty state correspond here? I used to
thing that you either have a result (T) or a reason why you do not have one
(error_code), but what does it mean that you have neither?


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