Re: [Boost-users] [bind] Template deduction

From: Jeff Flinn (TriumphSprint2000_at_[hidden])
Date: 2008-03-06 18:14:50

Robert Dailey wrote:
> On Wed, Mar 5, 2008 at 10:36 AM, Robert Dailey <rcdailey_at_[hidden] 
> <mailto:rcdailey_at_[hidden]>> wrote:
> 
>     On Tue, Mar 4, 2008 at 7:16 PM, Marshall Clow <marshall_at_[hidden]
>     <mailto:marshall_at_[hidden]>> wrote:
> 
>         Would this work?
>              std::for_each( myStrings.begin(), myStrings.end(), boost::bind(
>         &DoFoo<std::string>, 5, _1 ) );
> 
> 
>     Well, the example I gave was probably overly simple. The real
>     example uses a boost::python::list, which can either take a char* or
>     a std::string. At the time I'm doing the boost::bind, I do not know
>     what type is being passed in.
> 
> 
> 
> Below is the real example:
> 
> 
> //=========================================================================================
> bool PyInterpreter::SetSystemPath( std::vector<boost::filesystem::path> 
> const& pathList )
> {
>     bool success = true;
> 
>     try
>     {
>         using namespace boost::python;
> 
>         list newsyspath;
> 
>         std::for_each( pathList.begin(), pathList.end(), boost::bind( 
> &list::insert<boost::filesystem::path>, newsyspath, 0, _1 ) );
> 
>         object sys = GetNamespace( "sys" );
>         sys["path"] = newsyspath;
>     }
> 
>     catch(...)
>     {
>         PyErr_Print();
>         success = false;
>         assert( 0 );
>     }
> 
>     return false;
> }

did you try:

    std::copy( pathList.begin(), pathList.end()
             , std::back_inserter(list)
             );

Jeff Flinn