71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2007 Joel de Guzman
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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 <vector>
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#include <algorithm>
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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/statement.hpp>
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#include <boost/phoenix/operator.hpp>
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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::if_;
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using boost::phoenix::ref;
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int init[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
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std::vector<int> v(init, init+10);
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std::cout << std::dec;
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int x = 0;
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for_each(v.begin(), v.end(),
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if_(arg1 > 3 && arg1 <= 8)
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[
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std::cout << arg1 << ", ",
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ref(x) += arg1
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]
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);
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std::cout << std::endl;
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BOOST_TEST(x == 4+5+6+7+8);
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x = 0;
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int y = 0;
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int z = 0;
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for_each(v.begin(), v.end(),
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if_(arg1 > 5)
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[
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std::cout << arg1 << " > 5\n",
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ref(x) += arg1
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]
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.else_
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[
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if_(arg1 == 5)
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[
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std::cout << arg1 << " == 5\n",
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ref(z) += arg1
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]
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.else_
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[
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std::cout << arg1 << " < 5\n",
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ref(y) += arg1
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]
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]
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);
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std::cout << std::endl;
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BOOST_TEST(x == 6+7+8+9+10);
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BOOST_TEST(y == 1+2+3+4);
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BOOST_TEST(z == 5);
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return boost::report_errors();
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}
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