Re: [boost] programmatically building a bind composition?

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-11-03 12:47:43

Fernando Cacciola wrote:

> template<class Functors, int N>
> struct get_bind_expr_type
> {
>  typedef typename ::boost::tuples::element<N,Functors>::type Functor ;
> 
>  typedef typename Functor::result_type functor_result_type ;
> 
>  // This should be the result type of the previous functor in real
>  code typedef typename Functor::result_type functor_argument_type ;
> 
>  // NOTE: the recursion is inside this metafucntion
>  typedef typename get_bind_argument_type<Functors,N>::type
> bind_argument_type ;
> 
>  typedef _bi::bind_t<functor_result_type
>                     ,functor_result_type (*) ( functor_argument_type )

You probably need Functor here, not some pointer to function.

>                     ,typename _bi::list_av_1<bind_argument_type>::type
>                     >
>                     type ;
> } ;