Hmmm, okay, I was using slingshot/try+ everywhere and then, just once, I used a plain 'try' and forgot to use the correct catch. My fault.
On Thursday, February 3, 2022 at 1:56:59 PM UTC-5 Laws wrote: > > I see this old post by Fogus: > > http://blog.fogus.me/2009/12/21/clojures-pre-and-post/ > > With this example: > > (defn constrained–fn [f x] > {:pre [(pos? x)] > :post [(= % (* 2 x))]} > (f x)) > > But I see this modern example: > > https://ostash.dev/posts/2021-07-01-pre-post-conditions/ > > (defn func ^{:pre [(pos? x)] :post [(< % 100) (> % 1)]} [x] (+ 1 x)) > > Where it is in the metadata. > > But here I still the old style: > > https://clojure.org/reference/special_forms > > (defn constrained-sqr [x] {:pre [(pos? x)] :post [(> % 16), (< % 225)]} (* > x x)) > > I was away from Clojure for a few years, so I think it I missed some of > its evolution. Is one of these styles favored? > > I'm struggling with an issue where I cannot get the error to show up, even > when I deliberately send in data that would cause the assertion to return > false. > > My function started: > > (defn get-cisa-advisories > [cisa-advisory-urls] > { > :pre [(set? cisa-advisory-urls)] > :post [(vector? %)] > } > (println "get-cisa-advisories") > (try > > When I called this with a vector, I got no error, but the app silently > died. I'm confused about this. The call to this function is wrapped in a > try/catch block, and that assertion must have thrown an error because that > is where the app dies, yet I couldn't see the exception in my catch block. > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/clojure/57315054-1970-4e4b-95f7-b61ebd0381d8n%40googlegroups.com.
