1 #ifndef BOOST_METAPARSE_V1_TRANSFORM_ERROR_HPP
2 #define BOOST_METAPARSE_V1_TRANSFORM_ERROR_HPP
4 // Copyright Abel Sinkovics (abel@sinkovics.hu) 2015.
5 // Distributed under the Boost Software License, Version 1.0.
6 // (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
9 #include <boost/metaparse/v1/is_error.hpp>
11 #include <boost/mpl/eval_if.hpp>
19 template <class P, class F>
20 struct transform_error
22 template <class S, class Pos>
25 typename is_error<typename P::template apply<S, Pos> >::type,
26 typename F::template apply<
27 typename P::template apply<S, Pos>::type
29 typename P::template apply<S, Pos>
33 typedef transform_error type;