[Boost-users] [bind] binding templated operator with vs 7.1

From: MOSS Sebastian (Sebastian.MOSS_at_[hidden])
Date: 2007-11-08 18:20:50

Hi,

 

I'm having trouble with the following design with vs 7.1 and wondering
if anyone could offer a workaround.

 

Particularly it seems that the ".template operator" syntax isn't liked.
(This works on gcc 4.0.3). Removing the 'template' keyword from the bind
arguments gives an error novel.

 

Any ideas would be warmly welcomed!

 

s

 

 

#include <boost/bind.hpp>

#include <boost/function.hpp>

#include <iostream>

 

class tmpl_operator

{

public:

    template <typename T> void operator&( const T& rhs ) const

    {

        // do stuff

        std::cout << rhs;

    }

};

 

template <class T, class bound>

class command

{

public:

    command( T& obj, bound& instance ) : _instance(instance)

    {

        // works with gcc (4.0.3) but not cl (7.1): 

        apply = boost::bind(&bound::template operator&<T>,

                            instance,

                            obj);

        // doesn't compile in vs:

        //_instance.template operator&<T>(obj);

 

        // this compiles in vs though:

        // _instance.operator&<T>(obj);

    }

    void execute() { apply(); }

private:

    bound _instance;

    boost::function<void (void)> apply;

};

 

 

int main()

{

    double dbl = 2.71;

    tmpl_operator instance;

 

    command<double,tmpl_operator> test(dbl,instance);

    test.execute();

 

} 
 
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