77 lines
2.0 KiB
C++
77 lines
2.0 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::_1;
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using boost::phoenix::case_;
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using boost::phoenix::switch_;
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using boost::phoenix::ref;
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using boost::phoenix::val;
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using std::cout;
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using std::endl;
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using std::vector;
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using std::for_each;
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int init[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
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vector<int> v(init, init+10);
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for_each(v.begin(), v.end(),
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switch_(_1)
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[
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// wierd case, why not just use if(...), but valid, nonetheless
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case_<4>(cout << val("<4>") << endl)
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]
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);
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cout << endl;
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for_each(v.begin(), v.end(),
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switch_(_1)
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[
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// wierd case, but valid, nonetheless
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default_(cout << val("<any...>") << endl)
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]
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);
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cout << endl;
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for_each(v.begin(), v.end(),
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switch_(_1)
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[
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case_<1>(cout << val("<1>") << endl),
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case_<2>(cout << val("<2>") << endl),
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case_<3>(cout << val("<3>") << endl),
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case_<4>(cout << val("<4>") << endl)
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]
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);
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cout << endl;
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for_each(v.begin(), v.end(),
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switch_(_1)
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[
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case_<1>(cout << val("<1>") << endl),
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case_<2>(cout << val("<2>") << endl),
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case_<3>(cout << val("<3>") << endl),
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case_<4>(cout << val("<4>") << endl),
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default_(cout << val("<over 4>") << endl)
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]
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);
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return boost::report_errors();
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}
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