/*============================================================================= | |
Copyright (c) 2005 Joel de Guzman | |
Copyright (c) 2005 Eric Niebler | |
Distributed under the Boost Software License, Version 1.0. (See accompanying | |
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
==============================================================================*/ | |
#if !defined(FUSION_BEGIN_IMPL_07172005_0824) | |
#define FUSION_BEGIN_IMPL_07172005_0824 | |
#include <boost/mpl/if.hpp> | |
#include <boost/type_traits/is_const.hpp> | |
namespace boost { namespace fusion | |
{ | |
struct nil; | |
struct cons_tag; | |
template <typename Car, typename Cdr> | |
struct cons; | |
template <typename Cons> | |
struct cons_iterator; | |
namespace extension | |
{ | |
template <typename Tag> | |
struct begin_impl; | |
template <> | |
struct begin_impl<cons_tag> | |
{ | |
template <typename Sequence> | |
struct apply | |
{ | |
typedef cons_iterator<Sequence> type; | |
static type | |
call(Sequence& t) | |
{ | |
return type(t); | |
} | |
}; | |
}; | |
} | |
}} | |
#endif |