From: Peter Dimov (pdimov_at_[hidden])
Date: 2021-03-23 18:24:04
> > Boost.Phoenix works as-is, probably by special-casing the stream
> > manipulators: https://godbolt.org/z/5z6vc3bT9
https://github.com/boostorg/phoenix/blob/master/include/boost/phoenix/operator/io.hpp
Which incidentally leads to amusing results with std::wcout: https://godbolt.org/z/oT35sTM1r :-)