1 | |
2 | #ifndef BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED |
3 | #define BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED |
4 | |
5 | // Copyright Aleksey Gurtovoy 2002-2004 |
6 | // Copyright David Abrahams 2003 |
7 | // |
8 | // Distributed under the Boost Software License, Version 1.0. |
9 | // (See accompanying file LICENSE_1_0.txt or copy at |
10 | // http://www.boost.org/LICENSE_1_0.txt) |
11 | // |
12 | // See http://www.boost.org/libs/mpl for documentation. |
13 | |
14 | // $Id$ |
15 | // $Date$ |
16 | // $Revision$ |
17 | |
18 | #include <boost/mpl/has_key_fwd.hpp> |
19 | #include <boost/mpl/aux_/traits_lambda_spec.hpp> |
20 | |
21 | namespace boost { namespace mpl { |
22 | |
23 | // no default implementation; the definition is needed to make MSVC happy |
24 | |
25 | template< typename Tag > struct has_key_impl |
26 | { |
27 | template< typename AssociativeSequence, typename Key > struct apply; |
28 | }; |
29 | |
30 | BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,has_key_impl) |
31 | |
32 | }} |
33 | |
34 | #endif // BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED |
35 | |