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