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- // (C) Copyright Jeremy Siek 2000.
- // 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)
- #include <boost/concept_check.hpp>
- /*
- This file verifies that the BOOST_CLASS_REQUIRE macro of the Boost
- Concept Checking Library does not cause errors when it is not suppose
- to.
- */
- struct foo { bool operator()(int) { return true; } };
- struct bar { bool operator()(int, char) { return true; } };
- class class_requires_test
- {
- BOOST_CONCEPT_ASSERT((boost::EqualityComparable<int>));
- typedef int* int_ptr; typedef const int* const_int_ptr;
- BOOST_CONCEPT_ASSERT((boost::EqualOp<int_ptr,const_int_ptr>));
- BOOST_CONCEPT_ASSERT((boost::UnaryFunction<foo,bool,int>));
- BOOST_CONCEPT_ASSERT((boost::BinaryFunction<bar,bool,int,char>));
- };
- int
- main()
- {
- class_requires_test x;
- boost::ignore_unused_variable_warning(x);
- return 0;
- }
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