Be very careful when copying the style of clojure.core. There are a lot of non-standard practices in there, because Rich is bootstrapping the language. For example, defn doesn't work like we're all used to in core until about 80% of the way through.
Follow these style guidelines instead: https://www.assembla.com/wiki/show/clojure/Clojure_Library_Coding_Standards On Aug 23, 12:30 pm, Jeff Rose <ros...@gmail.com> wrote: > Sure, I was just copying the style of the existing predicate functions > in core.clj to keep it consistent. > > -Jeff > > On Aug 23, 5:25 pm, James Reeves <jree...@weavejester.com> wrote: > > > Why use def? You could just place re? after the definition of defn, > > and write it: > > > (defn re? > > "Return true if x is a regular expression" > > {:added "1.3"} > > [x] > > (instance? java.util.regex.Pattern x)) > > > - James > > > On 23 August 2010 16:17, Jeff Rose <ros...@gmail.com> wrote: > > > > It looks like regular expressions are the only type with built-in > > > syntax that don't have a predicate function. How about: > > > > (def > > > ^{:arglists '([x]) > > > :doc "Return true if x is a regular expression > > > (java.util.regex.Pattern)" > > > :added "1.3"} > > > re? (fn re? [x] (instance? java.util.regex.Pattern x))) > > > > Or maybe call it "regexp?" if "re?" isn't clear enough... > > > > -Jeff > > > > -- > > > 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 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
