Re: [Boost-users] [phoenix] A simple lambda func as boost::function

Subject: Re: [Boost-users] [phoenix] A simple lambda func as boost::function
From: Richard Vock (vock_at_[hidden])
Date: 2009-12-14 20:33:24

> Please don't top post.

Yepp - already found out and hated me for that
(if there would be any edit buttons..), so -
sorry for that.

> This works for me and I think it is what you are after.
> Am I missing something? (btw ... notice that the int in
> the function sig is by value ... not reference)
> 
> --------------------------------
> 
> #include <iostream>
> #include <boost/spirit/include/phoenix.hpp>
> #include <boost/function.hpp>
> 
> void my_func( boost::function< void(int) > func )
> {
>    for( int i=0; i<5; ++i )
>    {
>       func( i );
>    }
> }
> 
> int main()
> {
>    using boost::phoenix::arg_names::arg1;
> 
>    my_func( (std::cout << arg1 << '\n') );
> 
>    return 0;
> }

This is very interesting, since exactly this code won't
compile with my setup (error message looks very close to
the one I supplied in my second post):
g++ (GCC) 4.4.2
BOOST_VERSION 103900
BOOST_PHOENIX_VERSION   0x2000    // 2.0.0