Re: [boost] Final lightweight monad, next gen futures and upcoming AFIO review (was: Re: [next gen futures] Lightweight monad r

Subject: Re: [boost] Final lightweight monad, next gen futures and upcoming AFIO review (was: Re: [next gen futures] Lightweight monad r
From: Vinícius dos Santos Oliveira (vini.ipsmaker_at_[hidden])
Date: 2015-06-28 18:02:35

2015-06-28 17:52 GMT-03:00 Vinícius dos Santos Oliveira <
vini.ipsmaker_at_[hidden]>:

> 2015-06-28 17:52 GMT-03:00 Niall Douglas <s_sourceforge_at_[hidden]>:
>
>> monad<T>, result<T> and option<T> are all *synchronous* value
>> transports. Just like Rust's Result and Option.
>>
>
> So, why can result<t> be empty?
>

I mean: result<T, E> is like "give me T or it's an error". There is no
empty state. Empty would already be an error state. I'd only understand
empty if it's an async operation that didn't finish already.

-- 
Vinícius dos Santos Oliveira
https://about.me/vinipsmaker