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1 | #ifndef BOOST_METAPARSE_V1_FAIL_TAG_HPP |
2 | #define BOOST_METAPARSE_V1_FAIL_TAG_HPP | |
3 | ||
4 | // Copyright Abel Sinkovics (abel@sinkovics.hu) 2009 - 2012. | |
5 | // Distributed under the Boost Software License, Version 1.0. | |
6 | // (See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
9 | ||
10 | #include <boost/metaparse/v1/fwd/get_message.hpp> | |
11 | #include <boost/metaparse/v1/fwd/get_position.hpp> | |
12 | ||
13 | #include <iostream> | |
14 | ||
15 | namespace boost | |
16 | { | |
17 | namespace metaparse | |
18 | { | |
19 | namespace v1 | |
20 | { | |
21 | struct fail_tag { typedef fail_tag type; }; | |
22 | ||
23 | template <> | |
24 | struct get_message_impl<fail_tag> | |
25 | { | |
26 | template <class A> | |
27 | struct apply { typedef typename A::message type; }; | |
28 | }; | |
29 | ||
30 | template <> | |
31 | struct get_position_impl<fail_tag> | |
32 | { | |
33 | template <class A> | |
34 | struct apply : A::source_position {}; | |
35 | }; | |
36 | } | |
37 | } | |
38 | } | |
39 | ||
40 | #endif | |
41 | ||
42 |