mirror of
https://github.com/boostorg/phoenix.git
synced 2026-02-14 13:02:10 +00:00
74722b8e46
- Added documention for the function adaption macros
- Added the What's new section
- Fixed some bugs
- Added basic support for phx2 result type deduction, not in production yet
[spirit]
- Made necessary changes that reflect latest phoenix internal changes
[SVN r71227]
75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
/*=============================================================================
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Copyright (c) 2011 Thomas Heller
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <iostream>
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#include <cmath>
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/phoenix/core.hpp>
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#include <boost/phoenix/function.hpp>
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namespace impl
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{
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void
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test()
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{
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std::cout << "Test adapting functions...\n";
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}
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int
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negate(int n)
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{
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return -n;
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}
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int
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plus(int a, int b)
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{
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return a + b;
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}
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template <typename T>
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T
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plus(T a, T b, T c)
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{
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return a + b + c;
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}
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int
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plus4(int a, int b, int c, int d)
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{
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return a + b + c + d;
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}
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}
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BOOST_PHOENIX_ADAPT_FUNCTION_NULLARY(void, test, impl::test)
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BOOST_PHOENIX_ADAPT_FUNCTION(int, negate, impl::negate, 1)
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BOOST_PHOENIX_ADAPT_FUNCTION(int, plus, impl::plus, 2)
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BOOST_PHOENIX_ADAPT_FUNCTION(
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typename boost::remove_reference<A0>::type
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, plus
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, impl::plus
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, 3
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)
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BOOST_PHOENIX_ADAPT_FUNCTION(int, plus4, impl::plus4, 4)
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int
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main()
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{
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using boost::phoenix::arg_names::arg1;
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using boost::phoenix::arg_names::arg2;
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int a = 123;
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int b = 256;
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test()();
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BOOST_TEST(::negate(arg1)(a) == -a);
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BOOST_TEST(::plus(arg1, arg2)(a, b) == a+b);
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BOOST_TEST(::plus(arg1, arg2, 3)(a, b) == a+b+3);
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BOOST_TEST(plus4(arg1, arg2, 3, 4)(a, b) == a+b+3+4);
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return boost::report_errors();
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}
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