;; Switch to COROUTINE, passing it ARGS. When this coroutine is resumed
;; (by calling `switch', naturally) it will return the values passed as
;; arguments. A new coroutine (made by `make-coroutine') receives these
;; Switch to COROUTINE, passing it ARGS. When this coroutine is resumed
;; (by calling `switch', naturally) it will return the values passed as
;; arguments. A new coroutine (made by `make-coroutine') receives these