unordered/test/helpers/helpers.hpp
Daniel James 9d7411840e Merge latest unordered developments:
Make simple_test test a little more.
Use doubles for calculating max load factor.
Some workarounds, mostly for Borland and running the tests.


[SVN r42666]
2008-01-10 22:30:46 +00:00

42 lines
1.0 KiB
C++

// Copyright 2006-2007 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_HEADER)
#define BOOST_UNORDERED_TEST_HELPERS_HEADER
namespace test
{
template <class Container>
struct get_key_impl
{
typedef BOOST_DEDUCED_TYPENAME Container::key_type key_type;
static key_type const& get_key(key_type const& x)
{
return x;
}
template <class T>
static key_type const& get_key(std::pair<key_type, T> const& x, char = 0)
{
return x.first;
}
template <class T>
static key_type const& get_key(std::pair<key_type const, T> const& x, unsigned char = 0)
{
return x.first;
}
};
template <class Container, class T>
inline BOOST_DEDUCED_TYPENAME Container::key_type const& get_key(T const& x)
{
return get_key_impl<Container>::get_key(x);
}
}
#endif