thanks James, I'll have a look. -sun
On Jan 25, 2:00 pm, James Reeves <weavejes...@googlemail.com> wrote: > On Jan 25, 5:34 pm, wubbie <sunj...@gmail.com> wrote: > > > What's the typical usage of fn constantly ? > > When you need a function that constantly returns the same result :) > > That probably doesn't tell you any more than you know already, so I'll > give you a real world use. My rnd-utils library has a function > generating random strings that match a regular expression. It does > this by converting a regex into a sequence of functions, and then > concatenating the results into a string. > > So a regex like "ab[def]" would be converted into two functions: > [(constantly "ab") (rnd-choice "def")] > > This can then be turned into a string using: (apply str (map apply > function-sequence)) > > - James --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---
