// 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 // see "Header Implementation Option" /* #include "boost/lambda/lambda.hpp" #include "boost/lambda/bind.hpp" #include "boost/lambda/algorithm.hpp" */ #include #include #include #include #include #include #include #include #include #include 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; }