id summary reporter owner description type status milestone component version severity resolution keywords cc 11249 Compilation fails after including reverse_fold.hpp Christopher Hinz Joel de Guzman "After including the header file for reverse_fold, compilation fails with the error: {{{ In file included from /usr/include/boost/fusion/algorithm/iteration/reverse_fold.hpp:35: /usr/include/boost/fusion/algorithm/iteration/detail/preprocessed/reverse_fold.hpp:16:29: error: unknown template name 'result_of_with_decltype' : fusion::detail::result_of_with_decltype< }}} Unlike fold.hpp, reverse_fold.hpp never includes the corresponding header file for result_of_with_decltype. The error can be reproduced with the following code: {{{ #include int main() { } }}} This bug also affects reverse_iter_fold." Bugs closed To Be Determined fusion Boost 1.58.0 Problem fixed