libs/local_function/test/macro_commas.cpp
// Copyright (C) 2009-2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/local_function
#include <boost/config.hpp>
#ifdef BOOST_NO_CXX11_VARIADIC_MACROS
# error "variadic macros required"
#else
#include <boost/local_function.hpp>
#include <boost/utility/identity_type.hpp>
#include <boost/typeof/std/string.hpp> // Type-of registrations
#include <boost/typeof/std/map.hpp> // needed for `NAME` macro.
#include <map>
#include <string>
std::string cat(const std::string& x, const std::string& y) { return x + y; }
template<typename V, typename K>
struct key_sizeof {
static int const value;
};
template<typename V, typename K>
int const key_sizeof<V, K>::value = sizeof(K);
typedef int sign_t;
int main(void) {
//[macro_commas
void BOOST_LOCAL_FUNCTION(
BOOST_IDENTITY_TYPE((const std::map<std::string, size_t>&)) m,
BOOST_IDENTITY_TYPE((::sign_t)) sign,
const size_t& factor,
default (key_sizeof<std::string, size_t>::value),
const std::string& separator, default cat(":", " ")
) {
// Do something...
} BOOST_LOCAL_FUNCTION_NAME(f)
//]
std::map<std::string, size_t> m;
::sign_t sign = -1;
f(m, sign);
return 0;
}
#endif // VARIADIC_MACROS