any_conversion_eater.hpp

来自「C++的一个好库。。。现在很流行」· HPP 代码 · 共 20 行

// Copyright David Abrahams 2003. Use, modification and distribution is
// 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)
#ifndef ANY_CONVERSION_EATER_DWA20031117_HPP
# define ANY_CONVERSION_EATER_DWA20031117_HPP

namespace boost { namespace detail {

// This type can be used in traits to "eat" up the one user-defined
// implicit conversion allowed.
struct any_conversion_eater
{
    template <class T>
    any_conversion_eater(T const&);
};

}} // namespace boost::detail

#endif // ANY_CONVERSION_EATER_DWA20031117_HPP