Re: [Boost-users] bind1st and bind2nd together

From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-01-23 10:32:34

Hossein Haeri wrote:
> Dear all,
> 
> I've got a ternary function (which is std::find), and
> want to bind the first and second parameters (to the
> begining and the end of a std::vector). Then send the
> result to compose2 to check the equality for the end
> of the vector. Here is what I did:
> 
> copy_if(istream_iterator<Terminal>(cin),
>   istream_iterator<Terminal>(),
>   back_inserter(temp),
>   compose2(equal<set<Terminal>::iterator>(),
>     bind1st(bind1st_3(ptr_fun(f), V_.begin()),
>       V_.end()),
>     V_.end())));
> 
> (I've prepared any goodie needed by ternary functions
> for the above statement: ptr_fun, bind1st_3, ...)
> 
> Dev-C++ 4.9.8.0 (GCC 3.3.2 I think), gives me several
> errors (including "Reference to Reference" problem),
> and I'm nearly convinced not to continue it this way.
> 
> Now, how do you, boost guys, do that?

You probably need

boost::bind(equal<set<Terminal>::iterator>(),
    boost::bind(f, V_.begin(), V_.end(), _1),
    V_.end()
)