On Thursday, October 5, 2017 at 2:02:10 PM UTC-5, Peter Hull wrote: > > Is there any guidance on how to do the fdef for a function with more than > one arity? As an example, this one which takes one or two arguments: >
The regex specs can cover multiple options via ?, *, etc. > > (defn report > "Report an error code, optionally with a message" > ([errno] ...) > ([errno msg] ...)) > > So you want: (s/fdef report :args (s/cat :errno int? :msg (s/? string?))) > Could be: > (s/fdef report > :args (s/alt :brief (s/cat :errno integer?) > :full (s/cat :errno integer? :msg string?))) > > or: > (s/fdef report > :args (s/cat :errno integer? :msg (s/? string?))) > > > Some options make more sense than others, depending on the function. For > example clojure.core/map is defined with five separate arities but I don't > think it would be right to spec it as an alt with five alternatives, since > they are all covered by "function followed by zero or more colls" > > So, has a convention been established on how best to do it? > -- 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.
