[EMAIL PROTECTED]: > Why not b = copyonwrite( a )? > Subclass the interpreter-- make your own session.
Your idea may work, but I am talking about a new language (with some small differences, not a revolution). Making such language efficient enough may require to add some complex tricks, copy-on-write is just one of them, a JIT is probably useful, etc. Thank you, bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list
