Please also take a look at s/double-in, which allows you to exclude NaN (and Infinity/-Infinity) as valid values.
(I realize this does not address the any? question, but that seems like a rarer issue to me than cases where I'm explicitly spec'ing a double but don't want to allow NaN.) On Monday, November 7, 2016 at 11:37:08 AM UTC-6, Jim foo.bar wrote: > > Hi all, > > clojure.spec helped me realise that NaNs totally break [1] equality (per > `clojure.core/=`). Even though in real production code this might not be > an issue due to how infrequently one deals with NaNs, but during > gen-testing I've found them extremely annoying, and I've essentially > worked around this by spec-ing things I'd normally specify via `any?`, > via `(s/and any? (complement double-NaN?))` instead. I have to do this > for any spec, where in the :ret spec i need to be able to confirm that > the input coll is equal to the output coll (e.g. `clojure.core/remove` > returns the same coll it was passed in when nothing has been removed), > which is a possibility in a lot of functions. Have other people > encountered this as well, and if yes, how are you guys dealing with it? > Thanks in advance... > > Kind regards, > > Dimitris > > [1]: (= [:a Double/NaN] [:a Double/NaN]) => false > > > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.