Re: [Boost-users] [mpl]... is there an mpl::string

Subject: Re: [Boost-users] [mpl]... is there an mpl::string
From: Eric Niebler (eric_at_[hidden])
Date: 2009-04-20 20:31:29

Tor Brede Vekterli wrote:
> Noah Roberts wrote:
>> Now someone just needs to make format<> :P
> 
> Although a tongue-in-cheek remark, the notion of a compile-time
> formatting library somehow appeals to me, if for nothing else for its
> sheer absurdity ;)

<snip>

> int main(int argc, char* argv[])
> {
>   std::cout << mpl::c_str<itoa_ct::apply<12345>::type>::value << "\n";
>   std::cout << mpl::c_str<itoa_ct::apply<-98765>::type>::value << "\n";
>   std::cout << mpl::c_str<itoa_ct::apply<2009, 2>::type>::value << "\n";
>   std::cout << mpl::c_str<itoa_ct::apply<0xb0057, 16>::type>::value << "\n";
>   std::cout << mpl::c_str<itoa_ct::apply<0xffffffff, 16>::type>::value << "\n";
>   return 0;
> }
> 
> which outputs, as expected:
> 
> 12345
> -98765
> 11111011001
> b0057
> ffffffff
> 
> I'm swamped with thesis-work until June, so I cannot really do much
> else with this for now, but I just wanted to throw it out there. Any
> thoughts? :)

Whoa. Sick and twisted, but cool. I'm not sure what it's good for, 
though. After all, this:

   mpl::c_str<itoa_ct::apply<0xffffffff, 16>::type>::value

is just an obfuscation of:

   "ffffffff"

But it sure is fun. :-)

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com