Chips I thought I understand it But this does not work (defn divides? [divisor n] (mod n divisor))
I still get a cannot be cast error message. Roelof Op woensdag 23 april 2014 14:32:41 UTC+2 schreef Roelof Wobben: > > > Op woensdag 23 april 2014 14:26:14 UTC+2 schreef Tassilo Horn: >> >> Roelof Wobben <rwo...@hotmail.com> writes: >> >> > The only thing which is failing now is this one ; >> > >> > (defn abs [x] >> > (< x 0) >> > (* x -1); >> > x) >> > >> > I keep getting -2 as answer where it must be 2 >> >> Well, the function contains three forms where the results of the first >> two are ignored and only the value of the last one is returned. So here >> you need an `if`. >> >> (defn abs [x] >> (if (< x 0) >> (* x -1) >> x)) >> >> Bye, >> Tassilo >> >> BTW: Why do you have those semicolons in your code? That ends a >> statement in C-like languages but in Lisps including Clojure it starts a >> comment spanning till the end of the line. >> > > > oke, > So if I understand everything well when I want true or false I do not need > a if . In all other cases I need a if. > Regarding the ; I thought I was a divider between the then and the else > > Roelof > -- 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.