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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/local_function/test/typeof_template.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/boost/libs/local_function/test/typeof_template.cpp b/src/boost/libs/local_function/test/typeof_template.cpp new file mode 100644 index 000000000..f74e49fcd --- /dev/null +++ b/src/boost/libs/local_function/test/typeof_template.cpp @@ -0,0 +1,43 @@ + +// 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 "addable.hpp" +#include <boost/local_function.hpp> +#include <boost/type_traits/remove_reference.hpp> +#include <boost/concept_check.hpp> +#include <boost/detail/lightweight_test.hpp> +#include <algorithm> + +//[typeof_template +template<typename T> +T calculate(const T& factor) { + T sum = 0; + + void BOOST_LOCAL_FUNCTION_TPL(const bind factor, bind& sum, T num) { + // Local function `TYPEOF` does not need `typename`. + BOOST_CONCEPT_ASSERT((Addable<typename boost::remove_reference< + BOOST_LOCAL_FUNCTION_TYPEOF(sum)>::type>)); + sum += factor * num; + } BOOST_LOCAL_FUNCTION_NAME_TPL(add) + + add(6); + return sum; +} +//] + +int main(void) { + BOOST_TEST(calculate(10) == 60); + return boost::report_errors(); +} + +#endif // VARIADIC_MACROS + |