On May 24, 2015, at 3:20 AM, Michael Tiedtke <michael.tied...@o2online.de> wrote:
> I can of course use /version/ to check for Racket's version but this doesn't > take > patches or third party libraries/modules into account. I was just re-reading this, and for your particular use case this has been answered already by Laurent, but: One way to do this kind of thing for normal identifiers is to use this: http://www.greghendershott.com/2014/06/fallback-when-required-function-not-available.html -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.