pointee.hpp

来自「boost库提供标准的C++ API 配合dev c++使用,功能更加强大」· HPP 代码 · 共 37 行

// Copyright David Abrahams 2002. Permission to copy, use,
// modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#ifndef POINTEE_DWA2002323_HPP
# define POINTEE_DWA2002323_HPP

# include <boost/type_traits/object_traits.hpp>

namespace boost { namespace python { namespace detail { 

template <bool is_ptr = true>
struct pointee_impl
{
    template <class T> struct apply : remove_pointer<T> {};
};

template <>
struct pointee_impl<false>
{
    template <class T> struct apply
    {
        typedef typename T::element_type type;
    };
};

template <class T>
struct pointee
    : pointee_impl<is_pointer<T>::value>::template apply<T>
{
};

}}} // namespace boost::python::detail

#endif // POINTEE_DWA2002323_HPP