1 // Copyright David Abrahams 2009. Distributed under the Boost
2 // Software License, Version 1.0. (See accompanying
3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4 #ifndef BOOST_CONCEPT_BACKWARD_COMPATIBILITY_DWA200968_HPP
5 # define BOOST_CONCEPT_BACKWARD_COMPATIBILITY_DWA200968_HPP
6 
7 namespace boost
8 {
9   namespace concepts {}
10 
11 # if defined(BOOST_HAS_CONCEPTS) && !defined(BOOST_CONCEPT_NO_BACKWARD_KEYWORD)
12   namespace concept = concepts;
13 # endif
14 } // namespace boost::concept
15 
16 #endif // BOOST_CONCEPT_BACKWARD_COMPATIBILITY_DWA200968_HPP
17