Re: [boost] [rc_1_34_0][serialization][multi_index][vc-6_5] ICEs due to recent commits

From: Daniel James (daniel_james_at_[hidden])
Date: 2006-06-05 15:48:21

Robert Ramey wrote:
> Damn !!! - I made this change to address a problem whereby including
> just one header - version.hpp - failed for lack of basic traits.  After 
> making
> the changes, I restest the whole serialization libray - carpet bombing mode
> with no new problems - then I checked it in.

VC6 has problems with integer template arguments, but MPL has a nice 
workaround. A while back, Aleksey Gurtovoy wrote:

> non-type integer template
> parameters are generally "unsafe" on MSVC 6.x:
> 
>     namespace std {
>     template< typename Char > struct string;
>     }
> 
>     void foo(std::string<char>);
> 
>     template< int C > struct arg; // ICE here
> 
> MPL avoids the problem internally by using the following
> workaround:
> 
>     #include <boost/mpl/aux_/nttp_decl.hpp>
> 
>     ...
> 
>     template< BOOST_MPL_AUX_NTTP_DECL(int, C) > struct arg; // OK 

(http://lists.boost.org/Archives/boost/2005/01/79183.php)