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| 2 | // Copyright (C) 2009-2012 Lorenzo Caminiti |
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| 3 | // Distributed under the Boost Software License, Version 1.0 |
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| 4 | // (see accompanying file LICENSE_1_0.txt or a copy at |
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| 5 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | // Home at http://www.boost.org/libs/local_function |
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| 7 | |
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| 8 | #include <boost/local_function.hpp> |
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| 9 | #include <boost/utility/identity_type.hpp> |
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| 10 | #include <boost/typeof/std/string.hpp> // Type-of registrations |
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| 11 | #include <boost/typeof/std/map.hpp> // needed for `NAME` macro. |
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| 12 | #include <boost/config.hpp> |
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| 13 | #include <map> |
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| 14 | #include <string> |
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| 15 | |
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| 16 | std::string cat(const std::string& x, const std::string& y) { return x + y; } |
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| 17 | |
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| 18 | template<typename V, typename K> |
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| 19 | struct key_sizeof { |
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| 20 | static int const value; |
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| 21 | }; |
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| 22 | |
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| 23 | template<typename V, typename K> |
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| 24 | int const key_sizeof<V, K>::value = sizeof(K); |
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| 25 | |
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| 26 | typedef int sign_t; |
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| 27 | |
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| 28 | int main(void) { |
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| 29 | void BOOST_LOCAL_FUNCTION( |
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| 30 | (BOOST_IDENTITY_TYPE((const std::map<std::string, size_t>&)) m) |
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| 31 | (BOOST_IDENTITY_TYPE((::sign_t)) sign) |
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| 32 | (const size_t& factor) |
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| 33 | (default (key_sizeof<std::string, size_t>::value)) |
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| 34 | (const std::string& separator)(default cat(":" , " " )) |
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| 35 | ) { |
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| 36 | // Do something... |
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| 37 | } BOOST_LOCAL_FUNCTION_NAME(f) |
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| 38 | |
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| 39 | std::map<std::string, size_t> m; |
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| 40 | ::sign_t sign = -1; |
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| 41 | f(m, sign); |
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| 42 | return 0; |
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| 43 | } |
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| 44 | |
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| 45 | |
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