Subject: Re: [boost] New Boost.XInt Library, request preliminary review
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2010-03-30 11:45:04
Scott McMurray wrote:
> On 30 March 2010 10:04, Chad Nelson
> <chad.thecomfychair_at_[hidden]> wrote:
> > Which isn't necessarily the best way to do it, and
> > certainly isn't the
> > only one. There is effectively zero runtime cost for XInt's
> > exception-blocking mechanism, since the code used for it is only
> > evaluated when an exception needs to be thrown.
> Second, the blocking is stateful. That means that if I write another
> library that accepts xints, I'll have to either write every function
> to work no matter the blocking mode or change it to what I want to
> work with. This state maintenance means bringing in the threading
> complications that are otherwise unnecessary.
With a policy-based approach, Scott's library specifies which behavior it wants. It might need to provide interfaces to accept the other type, too, but that's a conscious choice.
Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP http://www.sig.com
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