// (C) Copyright Jeremy Siek, David Abrahams 2000-2006. // 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) // // Change Log: // 20 Jan 2001 - Added warning suppression (David Abrahams) #include <boost/concept_check.hpp> /* This file verifies that class_requires of the Boost Concept Checking Library catches errors when it is supposed to. */ struct foo { }; template <class T> class class_requires_test { BOOST_CONCEPT_ASSERT((boost::EqualityComparable<foo>)); }; int main() { class_requires_test<int> x; (void)x; // suppress unused variable warning return 0; }