Re: [Boost-users] [Proto]: How to use complex grammars in a domain/extension

On 09/20/2010 08:04 PM, joel falcou wrote:

then it'll work.

Sorry, I need to ask again: // ------------------------------------------------- #include using namespace boost; typedef proto::terminalproto::_::type terminal; struct addition: proto::or_ < terminal, proto::plus > {}; struct equation: proto::or_ < proto::equal_to > {}; template<class Expr> struct extension; struct my_domain : proto::domain< proto::pod_generator< extension> , equation > {}; template<class Expr> struct extension { BOOST_PROTO_EXTENDS( Expr , extension<Expr> , my_domain ) }; int main() { extension i; i == i; // Error } // ------------------------------------------------- I know it has to be obvious, but I just can't see it... Regards, Roland