| // 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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