Re: [Boost-users] [Proto] loosing expression wrappers in transforms

On Fri, Apr 30, 2010 at 6:27 PM, Joel Falcou wrote:

I never encountered that with my own set of transform.

Do you have a small code that cna be compiled out of nowehere ?

I've attached a smallish (~160 lines) file that only depends on "boost/proto/proto.hpp" I still get the unwrapping (gcc 4.4.1 linux FC 11, x86_64 platform) as follows g++ -Wall -I/home/users/robert/linux_x86_64/src/boost_1_42_0 test_boost_proto.cpp -o test_boost_proto test_boost_proto.cpp: In function ‘void clifford::evaluate(Res&, const clifford::ga_expr<Expr>&) [with Res = clifford::multivector, Expr = boost::proto::exprns_::expr&>, 0l> > >, 1l>]’: test_boost_proto.cpp:126: instantiated from ‘clifford::multivector& clifford::multivector::operator=(const clifford::ga_expr<T>&) [with T = boost::proto::exprns_::expr&>, 0l> > >, 1l>, B = clifford::cga3::rotator_basis, A = clifford::cga3::cga3]’ test_boost_proto.cpp:164: instantiated from here test_boost_proto.cpp:103: error: no matching function for call to ‘evaluate_expr(clifford::multivector&, boost::proto::exprns_::expr&>, 0l> >&>, 1l>)’