unordered/test/helpers/helpers.hpp
Daniel James 6aa582a90e Merged revisions 43838-43894 via svnmerge from
https://svn.boost.org/svn/boost/branches/unordered/trunk

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  r43840 | danieljames | 2008-03-24 17:25:07 +0000 (Mon, 24 Mar 2008) | 1 line
  
  Fix a g++ warning.
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  r43844 | danieljames | 2008-03-24 17:56:28 +0000 (Mon, 24 Mar 2008) | 1 line
  
  It's a new-ish year.
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  r43885 | danieljames | 2008-03-27 20:36:10 +0000 (Thu, 27 Mar 2008) | 1 line
  
  The release script doesn't need to copy images and css - because that's now done in the jamfiles. Also tweak the shell script a tad bit.
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  r43890 | danieljames | 2008-03-27 23:01:40 +0000 (Thu, 27 Mar 2008) | 1 line
  
  Starting to add a docbook bibliography.
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  r43894 | danieljames | 2008-03-27 23:24:18 +0000 (Thu, 27 Mar 2008) | 1 line
  
  Redeclare 'data' in iterator_base to help compilers which have trouble with accessing the nested typedef.
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[SVN r43895]
2008-03-27 23:38:01 +00:00

42 lines
1.0 KiB
C++

// Copyright 2006-2008 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