container_hash/test/compile_time.hpp
Daniel James cb6a0246df Test members in compile_test, rather than inheritance
Inheritance from unary_function is deprecated in recent C++. Better to
check the member types. Could probably drop test altogether.
2018-01-21 21:09:50 +00:00

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// Copyright 2005-2009 Daniel James.
// 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)
#include <boost/config.hpp>
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_same.hpp>
template <class T>
void compile_time_tests(T*)
{
BOOST_STATIC_ASSERT((boost::is_same<T,
typename BOOST_HASH_TEST_NAMESPACE::hash<T>::argument_type
>::value));
BOOST_STATIC_ASSERT((boost::is_same<std::size_t,
typename BOOST_HASH_TEST_NAMESPACE::hash<T>::result_type
>::value));
}