IMO, ! is used when change any global state. A side effect like print on screen is not enough to cause a ! in the name. I think that's why the functions print/println don't have ! =)
Plínio On Thu, Jul 10, 2014 at 12:28 PM, Cecil Westerhof <cldwester...@gmail.com> wrote: > When a function returns a true/false value you should end it with a '?'. > > Clojure Programming says that with side effects you should end the > function name with a '!'. > > I have functions reset-game! and walk!. But what about a function like > look? It does not change state, but it displays where you are. So it has a > side effect. But most of my functions have this. So, should I append them > all with a '!'? > > -- > Cecil Westerhof > > -- > 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. > -- 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.
