/usr/include/boost/ptr_container/detail
Edit: /usr/include/boost/ptr_container/detail/is_convertible.hpp (2478B)
// (C) Copyright Thorsten Ottosen 2005
// (C) Copyright Howard Hinnant 2004
// (C) Copyright Jonathan Turkanis 2004
// 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.)
//
// Contains type traits machinery for incomplete arrays. MPL compatibility
// is included for completeness, but is not necessary for the current
// application.
//
#ifndef BOOST_MOVE_PTR_ARRAYS_HPP_INCLUDED
#define BOOST_MOVE_PTR_ARRAYS_HPP_INCLUDED
#include
// BOOST_STATIC_CONSTANT.
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost { namespace ptr_container_detail { namespace move_ptrs {
// From Howard Hinnant.
template
struct is_array_convertible {
typedef typename remove_bounds::type t_element;
typedef typename remove_bounds::type u_element;
typedef typename remove_cv::type t_base;
typedef typename remove_cv::type u_base;
typedef typename
mpl::and_<
is_array,
is_array,
is_same,
is_convertible
>::type type;
BOOST_STATIC_CONSTANT(bool, value = type::value);
BOOST_MPL_AUX_LAMBDA_SUPPORT(2, is_array_convertible, (T, U))
};
template
struct is_smart_ptr_convertible
: mpl::if_<
is_array,
is_array_convertible,
is_convertible
>::type
{ };
#ifndef BOOST_NO_SFINAE
template
struct enable_if_convertible
: enable_if<
is_smart_ptr_convertible,
T
>
{ };
#else
template
struct enable_if_convertible : mpl::identity { };
#endif
} } } // End namespaces ptr_container_detail, move_ptrs, boost.
#endif // #ifndef BOOST_MOVE_PTR_ARRAYS_HPP_INCLUDED