Re: [boost] New Boost.XInt Library, request preliminary review

Subject: Re: [boost] New Boost.XInt Library, request preliminary review
From: vicente.botet (vicente.botet_at_[hidden])
Date: 2010-03-28 15:20:01

----- Original Message ----- 
From: "Chad Nelson" <chad.thecomfychair_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Saturday, March 27, 2010 6:24 AM
Subject: Re: [boost] New Boost.XInt Library, request preliminary review

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>>> This disables the copy-on-write optimization that the library uses by
>>> default [...]
>> 
>> I'm not convinced that integers should be COW.  What situations do you
>> forsee where COW would be helpful but move semantics wouldn't suffice?
> 
> As described on the rationale page of the documentation, the primary
> reason I'm using copy-on-write is that move semantics aren't widely
> available yet. Portability is one of my primary goals, and while I've
> seen references to a move-semantics-emulator in Boost, I've also seen
> suggestions that it relies on the compiler to somehow recognize it. That
> doesn't sound fully portable to me.

Please could you be more explicit. Do you know some compilers on which Boost.Move doesn't works?

Best,
Vicente