1 // Boost.Range library concept checks
2 //
3 //  Copyright Neil Groves 2009. Use, modification and distribution
4 //  are subject to the Boost Software License, Version 1.0. (See
5 //  accompanying file LICENSE_1_0.txt or copy at
6 //  http://www.boost.org/LICENSE_1_0.txt)
7 //
8 #ifndef BOOST_RANGE_DETAIL_MISC_CONCEPT_HPP_INCLUDED
9 #define BOOST_RANGE_DETAIL_MISC_CONCEPT_HPP_INCLUDED
10 
11 #include <boost/concept_check.hpp>
12 
13 namespace boost
14 {
15     namespace range_detail
16     {
17         template<typename T1, typename T2>
18         class SameTypeConcept
19         {
20         public:
BOOST_CONCEPT_USAGE(SameTypeConcept)21             BOOST_CONCEPT_USAGE(SameTypeConcept)
22             {
23                 same_type(a,b);
24             }
25         private:
same_type(T,T)26             template<typename T> void same_type(T,T) {}
27             T1 a;
28             T2 b;
29         };
30     }
31 }
32 
33 #endif // include guard
34