forked from boostorg/unordered
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
|
|
// Copyright 2006-2009 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_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
|