| 1 | // bll_and_function.cpp - The Boost Lambda Library ----------------------- |
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| 2 | // |
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| 3 | // Copyright (C) 2000-2003 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) |
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| 4 | // Copyright (C) 2000-2003 Gary Powell (powellg@amazon.com) |
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| 5 | // |
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| 6 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 7 | // accompanying file LICENSE_1_0.txt or copy at |
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| 8 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | // |
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| 10 | // For more information, see www.boost.org |
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| 11 | |
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| 12 | // test using BLL and boost::function |
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| 13 | |
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| 14 | #include <boost/core/lightweight_test.hpp> |
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| 15 | |
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| 16 | /* |
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| 17 | #include "boost/lambda/lambda.hpp" |
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| 18 | #include "boost/lambda/bind.hpp" |
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| 19 | #include "boost/lambda/algorithm.hpp" |
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| 20 | */ |
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| 21 | #include <boost/phoenix/core.hpp> |
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| 22 | #include <boost/phoenix/operator.hpp> |
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| 23 | #include <boost/phoenix/bind.hpp> |
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| 24 | #include <boost/phoenix/scope.hpp> |
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| 25 | #include <boost/phoenix/stl/algorithm/iteration.hpp> |
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| 26 | |
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| 27 | #include <vector> |
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| 28 | #include <map> |
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| 29 | #include <set> |
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| 30 | #include <string> |
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| 31 | |
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| 32 | #include <iostream> |
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| 33 | |
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| 34 | namespace phoenix = boost::phoenix; |
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| 35 | |
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| 36 | void test_foreach() { |
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| 37 | |
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| 38 | using phoenix::placeholders::_1; |
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| 39 | using phoenix::ref; |
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| 40 | using phoenix::lambda; |
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| 41 | |
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| 42 | int a[10][20]; |
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| 43 | int sum = 0; |
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| 44 | |
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| 45 | //for_each(arg1, for_each_tester())(array).value_; |
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| 46 | |
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| 47 | // Was: |
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| 48 | // std::for_each(a, a + 10, |
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| 49 | // bind(ll::for_each(), _1, _1 + 20, |
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| 50 | // protect((_1 = var(sum), ++var(sum))))); |
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| 51 | // var replaced with ref, protect(..) replaced with lambda[..], no need for bind |
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| 52 | // phoenix algorithms are range based |
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| 53 | std::for_each(first: a, last: a + 10, |
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| 54 | f: phoenix::for_each(a0: _1, a1: lambda[_1 = ref(t&: sum), ++ref(t&: sum)])); |
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| 55 | /*phoenix::bind(phoenix::for_each, _1, |
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| 56 | lambda[_1 = ref(sum), ++ref(sum)]));*/ |
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| 57 | |
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| 58 | sum = 0; |
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| 59 | // Was: |
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| 60 | // std::for_each(a, a + 10, |
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| 61 | // bind(ll::for_each(), _1, _1 + 20, |
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| 62 | // protect((sum += _1)))); |
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| 63 | // |
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| 64 | std::for_each(first: a, last: a + 10, |
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| 65 | f: phoenix::for_each( a0: _1, |
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| 66 | a1: lambda[(ref(t&: sum) += _1)])); |
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| 67 | |
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| 68 | BOOST_TEST_EQ(sum, (199 + 1)/ 2 * 199); |
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| 69 | } |
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| 70 | |
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| 71 | // More tests needed (for all algorithms) |
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| 72 | |
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| 73 | int main() |
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| 74 | { |
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| 75 | test_foreach(); |
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| 76 | |
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| 77 | return boost::report_errors(); |
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| 78 | } |
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| 79 | |
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