[boost] Re: Re: Re: Re: smarter auto_ptr

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2004-01-20 16:08:00

"Jonathan Turkanis" <technews_at_[hidden]> wrote in message
news:bujrvl$shb$1_at_sea.gmane.org...
> "Bronek Kozicki" <brok_at_[hidden]> wrote in message
> Jonathan Turkanis <technews_at_[hidden]> wrote:
>
> Here's a funny solution -- the stored deleter is a pointer into a
huge
> static array:
>
>     typedef void (*deleter_fn) (void*);
>
>     struct deleter {
>           deleter_fn  deleter;
>           int              offset;
>     };
>
>     template<typename D, typename T>
>     struct deleter_holder {
>         typedef deleter (&deleter_array) [SHRT_MAX];
>         static deleter_array deleters()
>             {
>                 deleter ar[SHRT_MAX];
>                 // Initialize on first use, with all possible
offsets
> in range -SHRT_MAX/2 to SHRT_MAX/2.
>                 return ar;
>             }
>         static void destroy(void* pv) { D()((T*) pv); }
>     };

This was a joke, obviously, but it's given me several ideas which just
might work. I'll write them up RSN.

Jonathan