libs/utility/identity_type/test/var_error.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/utility/identity_type #include <map> //[var_error #define VAR(type, n) type var ## n VAR(int, 1); // OK. VAR(std::map<int, char>, 2); // Error. //] int main() { return 0; }