#ifndef BOOST_METAPARSE_V1_TRANSFORM_ERROR_HPP #define BOOST_METAPARSE_V1_TRANSFORM_ERROR_HPP // Copyright Abel Sinkovics (abel@sinkovics.hu) 2015. // 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/metaparse/v1/is_error.hpp> #include <boost/mpl/eval_if.hpp> namespace boost { namespace metaparse { namespace v1 { template <class P, class F> struct transform_error { template <class S, class Pos> struct apply : boost::mpl::eval_if< typename is_error<typename P::template apply<S, Pos> >::type, typename F::template apply< typename P::template apply<S, Pos>::type >, typename P::template apply<S, Pos> > {}; typedef transform_error type; }; } } } #endif