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- /*=============================================================================
- Copyright (c) 2011 Thomas Heller
- Copyright (c) 2015 John Fletcher
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #include <iostream>
- #include <cmath>
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/phoenix/core.hpp>
- #include <boost/phoenix/function.hpp>
- namespace impl
- {
- void
- test()
- {
- std::cout << "Test adapting functions...\n";
- }
- int
- negate(int n)
- {
- return -n;
- }
- int
- plus(int a, int b)
- {
- return a + b;
- }
- template <typename T>
- T
- plus(T a, T b, T c)
- {
- return a + b + c;
- }
- int
- plus4(int a, int b, int c, int d)
- {
- return a + b + c + d;
- }
- }
-
- BOOST_PHOENIX_ADAPT_FUNCTION_NULLARY(void, test, impl::test)
- BOOST_PHOENIX_ADAPT_FUNCTION(int, negate, impl::negate, 1)
- BOOST_PHOENIX_ADAPT_FUNCTION(int, plus, impl::plus, 2)
- BOOST_PHOENIX_ADAPT_FUNCTION(
- typename boost::remove_reference<A0>::type
- , plus
- , impl::plus
- , 3
- )
- BOOST_PHOENIX_ADAPT_FUNCTION(int, plus4, impl::plus4, 4)
- // Test of solution to bug when using namespace
- using namespace boost::phoenix;
- BOOST_PHOENIX_ADAPT_FUNCTION_NULLARY(void, test2, impl::test)
- BOOST_PHOENIX_ADAPT_FUNCTION(int, negate2, impl::negate, 1)
- int
- main()
- {
- using boost::phoenix::arg_names::arg1;
- using boost::phoenix::arg_names::arg2;
- int a = 123;
- int b = 256;
- test()();
- test2()();
- BOOST_TEST(::negate(arg1)(a) == -a);
- BOOST_TEST(::negate2(arg1)(a) == -a);
- BOOST_TEST(::plus(arg1, arg2)(a, b) == a+b);
- BOOST_TEST(::plus(arg1, arg2, 3)(a, b) == a+b+3);
- BOOST_TEST(plus4(arg1, arg2, 3, 4)(a, b) == a+b+3+4);
- return boost::report_errors();
- }
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