Re: [Boost-users] A Problem with boost::bind

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-05-06 13:32:07

Hossein Haeri wrote:
> Hi Peter,
> 
>> for_each(c.begin(), c.end(), bind(newPrint, _1,
>> ref(out)));
> 
> Doesn't work either! The error file GCC (3.3.1) gives
> me is in the P.S. Is GGC right?
> 
> And, BTW, thanks for letting me know about ref()! :)

[...]

> E:/Program Files/Dev-Cpp/include/boost/bind.hpp:62:
> error: no type named `
>   result_type' in `struct PrintAux<std::vector<int,
> std::allocator<int> >, 1>'

You either need a result_type typedef in PrintAux, or

for_each(c.begin(), c.end(), bind<void>(newPrint, _1,
    ref(out)));