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- /*=============================================================================
- Copyright (c) 2001-2007 Joel de Guzman
- 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 <algorithm>
- #include <vector>
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/phoenix/core.hpp>
- #include <boost/phoenix/operator.hpp>
- #include <boost/phoenix/scope.hpp>
- #include <boost/phoenix/function.hpp>
- namespace boost { namespace phoenix
- {
- struct for_each_impl
- {
- template <typename C, typename F>
- struct result
- {
- typedef void type;
- };
- template <typename C, typename F>
- void operator()(C& c, F f) const
- {
- std::for_each(c.begin(), c.end(), f);
- }
- };
- function<for_each_impl> const for_each = for_each_impl();
- struct push_back_impl
- {
- template <typename C, typename T>
- struct result
- {
- typedef void type;
- };
- template <typename C, typename T>
- void operator()(C& c, T& x) const
- {
- c.push_back(x);
- }
- };
- function<push_back_impl> const push_back = push_back_impl();
- }}
- using namespace boost::phoenix;
- using namespace boost::phoenix::arg_names;
- using namespace boost::phoenix::local_names;
- using namespace std;
- struct zzz {};
- int
- main()
- {
- {
- using boost::phoenix::for_each;
- int init[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
- std::vector<int> v(init, init+10);
- int x = 0;
- for_each(_1, lambda(_a = _2)[_a += _1])(v, x);
- BOOST_TEST(x == 55);
- }
- {
- using boost::phoenix::for_each;
- using boost::phoenix::push_back;
- int x = 10;
- std::vector<std::vector<int> > v(10);
- for_each(_1, lambda(_a = _2)[push_back(_1, _a)])(v, x);
- int y = 0;
- for_each(arg1, lambda[ref(y) += _1[0]])(v);
- BOOST_TEST(y == 100);
- }
- return boost::report_errors();
- }
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