Ah, thanks, makes good sense. I think of "write a new experimental functional language and reuse part of the Rust compiler" as somewhat "academic", but matter o

Ah, thanks, makes good sense. I think of "write a new experimental functional language and reuse part of the Rust compiler" as somewhat "academic", but matter of taste. But for production parsers, I think I'd try to avoid using the stack or limit the stack, anyway.