One possible convention that allows users of old versions to switch at their convenience.
foo imports and exports foo-n foo-1 version 1 foo-2 version 2 .... foo-n current version /Jens Axel 2015-08-31 17:26 GMT+02:00 Neil Van Dyke <[email protected]>: > My super-strongly preferred engineering notion: backward-compatibility of > a package refers to the *documented* behavior of the package, not to actual > behavior. > > For the moment, disregard the exception cases arising when actual behavior > of a version doesn't comply with documented behavior for that version. I > think it's important to focus first on human expression&interpretation of > *documented* behavior. Developing to interface documentation (like to > specs of a bolt from the manufacturer) helps a lot of engineering processes > work, especially between organizations. I think that this "between > organizations" should be the usual case with the package system. > > (Even if you had some breakthrough halting-problem-transwarp approach to > determining backward-compatibility programmatically, with a pretty DrRacket > smiley/frowny-face icon indicator, I would still expect to be able to work > from the English documentation of behavior. I'm not ignoring the > possibilities of unit tests and formal specification, but, at the end of > the day, I think your documentation needs to be human-readable, for > preferred engineering processes as we know them to work.) > > Neil V. > > -- > You received this message because you are subscribed to the Google Groups > "Racket Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-dev/55E47208.7030508%40neilvandyke.org > . > > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-dev/CABefVgw7vk-pxeMwgS%2B%3D%3De6ck9zGNz-2gme9PARpCgy3NN7CYg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
