Roland

> That will also provide a better place to document the features situation -- I think it's not good for a readme to go into this level of detail. No...

> I am concerned that in this implementation, simply adding a new dependency to a Cargo build graph can cause existing working code to fail to link. If the newly...

> Relatedly it seems like this implementation violates ODR which is UB (https://en.cppreference.com/w/cpp/language/definition#One_Definition_Rule), because the class definitions of Str and String don't necessarily _"consists of the same sequence of tokens"_...

> Thoughts? It seems like more design work is still required on how to integrate this from the build side. Agree. So what can we do to avoid that? The...

Just wondering about the status of this @GregBowyer . I will be working on adding folly::ByteRange/StringPiece conversions to cxx for our internal usage. Adding string_view and eventually span for slices/Vec...