On 2/1/07, hongleij@126.com wrote:

//my question is how to write the type ??? below to make it run .

#include #include <iostream> using boost::bind; void print() { std::cout <<" print" << std::endl; }

template <class T> void func(T t) { std::cout <<"func1(T t) : " ; t(); } int main() { func(bind(&print)); //ok

You don't have to use bind here. func( print ) ; would work. bind ( &func<???>, bind(&print) ) ; //don't know how to write it

}

Note that this expression will not call anything, it will generate a functor and drop it. I guess what you are trying to do is this bind( func, print) (); // note the function call operator at the end. or maybe this: bind( func, _1) (print); hth, -- Server Levent Yilmaz Mechanical Engineering @ PITT