boost/type_traits/decay.hpp
// (C) Copyright John Maddock & Thorsten Ottosen 2005.
// Use, modification and distribution are subject to 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).
//
// See http://www.boost.org/libs/type_traits for most recent version including documentation.
#ifndef BOOST_TT_DECAY_HPP_INCLUDED
#define BOOST_TT_DECAY_HPP_INCLUDED
#include <boost/type_traits/config.hpp>
#include <boost/type_traits/is_array.hpp>
#include <boost/type_traits/is_function.hpp>
#include <boost/type_traits/remove_bounds.hpp>
#include <boost/type_traits/add_pointer.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/identity.hpp>
namespace boost
{
template< class T >
struct decay
{
private:
typedef BOOST_DEDUCED_TYPENAME remove_reference<T>::type Ty;
public:
typedef BOOST_DEDUCED_TYPENAME mpl::eval_if<
is_array<Ty>,
mpl::identity<BOOST_DEDUCED_TYPENAME remove_bounds<Ty>::type*>,
BOOST_DEDUCED_TYPENAME mpl::eval_if<
is_function<Ty>,
add_pointer<Ty>,
mpl::identity<Ty>
>
>::type type;
};
} // namespace boost
#endif // BOOST_TT_DECAY_HPP_INCLUDED