Re: [Boost-users] [boost-users] [filesystem, format] ambgious overload error.

From: chun ping wang (cablepuff_at_[hidden])
Date: 2007-11-07 16:04:26

bumping this. Hopefully their can a fix for msvc 2005

On Oct 22, 2007 5:35 PM, chun ping wang <cablepuff_at_[hidden]> wrote:
> {
>             boost::scoped_ptr<boost::filesystem::ofstream> myfile(new
> boost::filesystem::ofstream(fileOutput));
>
>
>             BOOST_FOREACH(int element, (getKeys<std::vector, int,
> int>(pMap)))
>              {
>                 if (pMap[element] >= min_sup)
>                 {
>                     std::vector<int> row(1, element);
>                     itemsContainer.push_back(row);
>                     // (*myfile) << "(" << element << ":" << pMap[element]
> << ")\n";
>                     (*myfile) << boost::format("(%1%, %2%)\n") % element %
> pMap[element];
>                 }
>             }
>   }
>
> ./cs522/c++/aprioriMain.cpp(79) : error C2593: 'operator <<' is ambiguous
>         C:/boost_msvc/include\boost/format/free_funcs.hpp(33): could be
> 'std::basic_ostream<_Elem,_Traits> &boost::operator
> <<<char,std::char_traits<char>,std::allocator<_Ty>>(std::basic_ostream<_Elem,_Traits>
> &,const boost::basic_format<Ch> &)' [found using argument-dependent lookup]
>         with
>         [
>             _Elem=char,
>             _Traits=std::char_traits<char>,
>             _Ty=char,
>             Ch=char
>         ]
>         C:/boost_msvc/include\boost/filesystem/path.hpp(617): or
> 'std::basic_ostream<_Elem,_Traits> &boost::filesystem::operator
> <<<boost::basic_format<Ch>>(std::basic_ostream<_Elem,_Traits> &,const Path
> &)' [found using argument-dependent lookup]
>         with
>         [
>             _Elem=char,
>             _Traits=std::char_traits<char>,
>             Ch=char,
>             Path=boost::basic_format<char>
>         ]
>         while trying to match the argument list
> '(boost::filesystem::ofstream, boost::basic_format<Ch>)'
>         with
>         [
>             Ch=char
>         ]
>
> note the commented out version works.. this only happens on msvc 2005. it
> passes on mingw devc++.
>