Am Fr., 28. Okt. 2022 um 19:14 Uhr schrieb Shiro Kawai <shiro.ka...@gmail.com>: > > Now Gauche starts to support continuation marks natively (only the basic > srfi-157 is implemented and I'll expand it toward srfi-226).
This is excellent news! > So far as I understood, continuation marks *is* the dynamic environment, > without revealing too much internal details, isn't it? I think one can formulate it in this way. > Previously, I managed various internal dynamic contexts (e.g. exception > handlers, parameters) by dynamic-wind; when a continuation is invoked, before > and after handlers work hard to restore the dynamic state. Once I reversed > the design, that is, letting continuation frames to hold the tip of the > current dynamic environment chain and simply restore it when popped, things > seem to become a lot simpler. It is good to hear that it simplifies things because this is how new features for Scheme should behave if possible. Marc
