Subject: Re: [boost] [type_traits] Time to upgrade to "version 2" ?
From: Beman Dawes (bdawes_at_[hidden])
Date: 2015-05-17 15:57:10
On Sun, May 17, 2015 at 12:23 PM, John Maddock <jz.maddock_at_[hidden]>
> On 17/05/2015 17:50, David Stone wrote:
>> Conceptually, common_type is a type_trait. We should not be so quick to
>> worship at the altar of removing dependencies that we compromise logical
>> design or introduce code duplication. I don't think a dependency-free
>> is necessarily desirable -- the whole reason we have Boost is to create
>> reusable components.
> Largely I'm inclined to agree... but I can see the attraction of a modular
> boost as well.
> I think it's vital when we do this that the end user gets a seamless
> experience, so I would document the trait with the rest of type_traits
> docs, but with a small note that if you're downloading a modular boost
> (which we don't quite have yet, but we're getting there) then you must also
> download the common_type module.
The point about a seamless user experience is a good one. As we start to
test modular distribution (in addition to the current monolithic
distribution), we should include common_type as one of our use cases.
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