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

Subject: Re: [boost] New Boost.XInt Library, request preliminary review
From: Chad Nelson (chad.thecomfychair_at_[hidden])
Date: 2010-03-27 00:24:44

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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.
- -- 
Chad Nelson
Oak Circle Software, Inc.
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