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- // 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/local_function.hpp>
- #include <boost/function.hpp>
- #include <boost/phoenix/core.hpp>
- #include <boost/phoenix/function.hpp>
- #include <boost/detail/lightweight_test.hpp>
- //[phoenix_factorial_local
- int main(void) {
- using boost::phoenix::arg_names::arg1;
-
- int BOOST_LOCAL_FUNCTION(int n) { // Unfortunately, monomorphic.
- return (n <= 0) ? 1 : n * factorial_impl(n - 1);
- } BOOST_LOCAL_FUNCTION_NAME(recursive factorial_impl)
- boost::phoenix::function< boost::function<int (int)> >
- factorial(factorial_impl); // Phoenix function from local function.
-
- int i = 4;
- BOOST_TEST(factorial(i)() == 24); // Call.
- BOOST_TEST(factorial(arg1)(i) == 24); // Lazy call.
- return boost::report_errors();
- }
- //]
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