unordered/test/helpers/metafunctions.hpp
Daniel James cfd4bacc2c Stop using BOOST_DEDUCED_TYPENAME
We no longer support any of the compilers that require it. I'd be very
surprised if anything was working on them.
2018-01-27 09:39:59 +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)
#if !defined(BOOST_UNORDERED_TEST_HELPERS_METAFUNCTIONS_HEADER)
#define BOOST_UNORDERED_TEST_HELPERS_METAFUNCTIONS_HEADER
#include <boost/config.hpp>
#include <boost/type_traits/is_same.hpp>
namespace test {
template <class Container>
struct is_set : public boost::is_same<typename Container::key_type,
typename Container::value_type>
{
};
template <class Container> struct has_unique_keys
{
static char flip(typename Container::iterator const&);
static long flip(std::pair<typename Container::iterator, bool> const&);
BOOST_STATIC_CONSTANT(bool,
value = sizeof(long) ==
sizeof(flip(
((Container*)0)->insert(*(typename Container::value_type*)0))));
};
}
#endif