libs/function/test/stateless_test.cpp
// Boost.Function library
// Copyright Douglas Gregor 2001-2003. Use, modification and
// distribution is subject to 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)
// For more information, see http://www.boost.org
#include <boost/test/minimal.hpp>
#include <boost/function.hpp>
#include <stdexcept>
struct stateless_integer_add {
int operator()(int x, int y) const { return x+y; }
void* operator new(std::size_t, stateless_integer_add*)
{
throw std::runtime_error("Cannot allocate a stateless_integer_add");
}
void operator delete(void*, stateless_integer_add*) throw()
{
}
};
namespace boost {
template<>
struct is_stateless<stateless_integer_add> {
BOOST_STATIC_CONSTANT(bool, value = true);
};
}
int test_main(int, char*[])
{
boost::function2<int, int, int> f;
f = stateless_integer_add();
return 0;
}