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Diffstat (limited to 'libs/phoenix/test/scope/lambda_tests2.cpp')
-rw-r--r-- | libs/phoenix/test/scope/lambda_tests2.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/libs/phoenix/test/scope/lambda_tests2.cpp b/libs/phoenix/test/scope/lambda_tests2.cpp new file mode 100644 index 000000000..2f80b0f73 --- /dev/null +++ b/libs/phoenix/test/scope/lambda_tests2.cpp @@ -0,0 +1,107 @@ +/*============================================================================= + Copyright (c) 2001-2007 Joel de Guzman + Copyright (c) 2014 John Fletcher + + 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 <typeinfo> + +#include <boost/detail/lightweight_test.hpp> +#include <boost/phoenix/core.hpp> +#include <boost/phoenix/operator.hpp> +#include <boost/phoenix/function.hpp> +//#include <boost/phoenix/bind.hpp> +#include <boost/phoenix/scope.hpp> + +namespace boost { namespace phoenix +{ + struct for_each_impl + { + template <typename Sig> + struct result; + + template <typename This, typename C, typename F> + struct result<This(C,F)> + { + 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 Sig> + struct result; + + template <typename This, typename C, typename T> + struct result<This(C,T)> + { + 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(); +}} + +int +main() +{ + using boost::phoenix::lambda; + using boost::phoenix::let; + using boost::phoenix::ref; + using boost::phoenix::val; + using boost::phoenix::arg_names::_1; + using boost::phoenix::arg_names::_2; + using boost::phoenix::local_names::_a; + // using boost::phoenix::local_names::_b; + using boost::phoenix::placeholders::arg1; + + { + using boost::phoenix::for_each; + //#if (!defined(BOOST_MSVC) || (BOOST_MSVC < 1800)) + 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); + //#endif + } + + { + using boost::phoenix::for_each; + using boost::phoenix::push_back; + + //#if (!defined(BOOST_MSVC) || (BOOST_MSVC < 1800)) + 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); + //#endif + } + + return boost::report_errors(); +} + |