Your 'toss' primitive looks like common lisp's condition+restart, using a catch-block syntax in place of a `handler-bind` function. https://stackoverflow.com/q

Your 'toss' primitive looks like common lisp's condition+restart, using a catch-block syntax in place of a `handler-bind` function. https://stackoverflow.com/questions/36178141/common-lisp-exception-handling-condition-and-restart https://stackoverflow.com/questions/36178141/common-lisp-exc...