liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
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/*
Copyright 2020 Glen Joseph Fernandes
(glenjofe@gmail.com)
 
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)
*/
 
#ifndef BOOST_TT_IS_UNSCOPED_ENUM_HPP_INCLUDED
#define BOOST_TT_IS_UNSCOPED_ENUM_HPP_INCLUDED
 
#include <boost/type_traits/conjunction.hpp>
#include <boost/type_traits/is_enum.hpp>
#include <boost/type_traits/is_convertible.hpp>
 
namespace boost {
 
template<class T>
struct is_unscoped_enum
    : conjunction<is_enum<T>, is_convertible<T, int> >::type { };
 
} /* boost */
 
#endif