Re: [boost] [gsoc] Pointer Plus Bits Behavior and Interface

Subject: Re: [boost] [gsoc] Pointer Plus Bits Behavior and Interface
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2010-07-15 12:11:08

Stefan Strasser wrote:
> Zitat von Joaquin M Lopez Munoz <joaquin_at_[hidden]>:
>
> >> 1) Should the pointer_plus_bits have a pre and post
> >> increment and decrement
> >> ( what about supporting other arithmetic operations such
> >> as add, minus, add assign etc...) ?
> >
> > I'd say this is gratuituous complication: just design a lean
> > interface providing get_pointer, set_pointer, get_bit, set_bit
> > (or similar names) so that you don't have to replicate pointer
> > semantics.
>
> I'd say an interface with pointer semantics is useful, but can be
> built upon the a interface like you're describing. for example:
>
> pointer_plus_bits<...> a;
>
> to access the pointer part:
> pointer_view<...> ptr(a);
> //++ptr;
> //ptr has ptr-semantics, can be used as an iterator, etc.
>
> to access the "bits" part:
> integral_view<...> i(a);
> i=3;
>
> bitset_view<...> bitset(a);
> bitset.set(2,true);

+1

_____
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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