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- // bll_and_function.cpp - The Boost Lambda Library -----------------------
- //
- // Copyright (C) 2000-2003 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
- // Copyright (C) 2000-2003 Gary Powell (powellg@amazon.com)
- //
- // 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)
- //
- // For more information, see www.boost.org
- // test using BLL and boost::function
- #include <boost/test/minimal.hpp> // see "Header Implementation Option"
- /*
- #include "boost/lambda/lambda.hpp"
- #include "boost/lambda/bind.hpp"
- #include "boost/lambda/algorithm.hpp"
- */
- #include <boost/phoenix/core.hpp>
- #include <boost/phoenix/operator.hpp>
- #include <boost/phoenix/bind.hpp>
- #include <boost/phoenix/scope.hpp>
- #include <boost/phoenix/stl/algorithm/iteration.hpp>
- #include <vector>
- #include <map>
- #include <set>
- #include <string>
- #include <iostream>
- namespace phoenix = boost::phoenix;
- void test_foreach() {
- using phoenix::placeholders::_1;
- using phoenix::ref;
- using phoenix::lambda;
-
- int a[10][20];
- int sum = 0;
-
- //for_each(arg1, for_each_tester())(array).value_;
- // Was:
- // std::for_each(a, a + 10,
- // bind(ll::for_each(), _1, _1 + 20,
- // protect((_1 = var(sum), ++var(sum)))));
- // var replaced with ref, protect(..) replaced with lambda[..], no need for bind
- // phoenix algorithms are range based
- std::for_each(a, a + 10,
- phoenix::for_each(_1, lambda[_1 = ref(sum), ++ref(sum)]));
- /*phoenix::bind(phoenix::for_each, _1,
- lambda[_1 = ref(sum), ++ref(sum)]));*/
- sum = 0;
- // Was:
- // std::for_each(a, a + 10,
- // bind(ll::for_each(), _1, _1 + 20,
- // protect((sum += _1))));
- //
- std::for_each(a, a + 10,
- phoenix::for_each( _1,
- lambda[(ref(sum) += _1)]));
- BOOST_CHECK(sum == (199 + 1)/ 2 * 199);
- }
- // More tests needed (for all algorithms)
- int test_main(int, char *[]) {
- test_foreach();
- return 0;
- }
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