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// (C) Copyright Jeremy Siek 2000. Permission to copy, use, modify,
// sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#include <boost/concept_check.hpp>
/*
This file verifies that the BOOST_CLASS_REQUIRES 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; } };
using namespace boost;
class class_requires_test
{
BOOST_CLASS_REQUIRES(int, EqualityComparableConcept);
typedef int* int_ptr; typedef const int* const_int_ptr;
BOOST_CLASS_REQUIRES2(int_ptr, const_int_ptr, EqualOpConcept);
BOOST_CLASS_REQUIRES3(foo, bool, int, UnaryFunctionConcept);
BOOST_CLASS_REQUIRES4(bar, bool, int, char, BinaryFunctionConcept);
};
int
main()
{
class_requires_test x;
ignore_unused_variable_warning(x);
return 0;
}
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