diff options
Diffstat (limited to 'libs/fusion/test/algorithm/fold.cpp')
| -rw-r--r-- | libs/fusion/test/algorithm/fold.cpp | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/libs/fusion/test/algorithm/fold.cpp b/libs/fusion/test/algorithm/fold.cpp index 1db081815..249f1bb38 100644 --- a/libs/fusion/test/algorithm/fold.cpp +++ b/libs/fusion/test/algorithm/fold.cpp @@ -2,7 +2,7 @@ Copyright (c) 2001-2011 Joel de Guzman Copyright (c) 2007 Dan Marsden - Distributed under the Boost Software License, Version 1.0. (See accompanying + 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 <boost/detail/lightweight_test.hpp> @@ -120,6 +120,26 @@ int add(int lhs, int rhs) return lhs + rhs; } +struct functor +{ + template<typename T> + int + operator() (int hitherho, T const& cur) const + { + return int(hitherho + cur); + } +}; + +struct visitor +{ + typedef int result_type; + + int operator()(int sum, long&) + { + return sum; + } +}; + int main() { @@ -217,6 +237,21 @@ main() BOOST_TEST(fusion::accumulate(vec, 0, add) == 3); } + { +#if !defined(BOOST_FUSION_NO_DECLTYPE_BASED_RESULT_OF) + { + boost::fusion::vector<int, double, long> container{1, 2, 3}; + functor f; + boost::fusion::fold(container, 0, f); + } +#endif + + { + boost::fusion::vector<long> vec; + visitor v; + boost::fusion::fold(vec, 0, v); + } + } + return boost::report_errors(); } - |