Re: [PATCH updated] Support for filesystem watching (inotify)

[Stefan Monnier]

SM> That doesn't sound right to me.  At least I'm having trouble figuring
SM> out how to bend my mind such that this file-watcher matches (even
SM> coarsely) the concept of a "future".
[...]
> So `file-watch' would return
> (make-url-future :value (lambda () (unwatch file here))
>                  :errorback  (lambda (&rest d) (handle unwatch errors))
>                  :callback (lambda (f) (arbitrary callback)))

I'm not saying you can't twist the code so that it works, but it makes
no sense at the conceptual level.  The file-watcher callback may be
called several times; unwatching a file has nothing to do with "get the
resulting value"; ...
It's just a completely wrong analogy.


        Stefan