Hi On Sat, Dec 27, 2008 at 11:40 PM, wubbie <sunj...@gmail.com> wrote: > > I didn't get the syntax error at all:
Yes, but I think maybe there is a bug in Clojure that causes the first case to "work" when it should give a syntax error. If it is not a bug I do not understand why it ignores the expression. > The first yields: ([0 0] [0 1] ... [0 99]) > The second y ields ([0 1] [0 2] .. [0 100]) > I don't know why. > > > > > On Dec 27, 4:29 pm, "Michael Wood" <esiot...@gmail.com> wrote: >> On Sat, Dec 27, 2008 at 11:01 PM, wubbie <sunj...@gmail.com> wrote: >> >> > Hi, >> > Why are they different? >> >> > (take 100 (for [x (range 1000) y (range 1000) (< x y)][x y])) >> > (take 100 (for [x (range 1000) y (range 1000) :when (< x y)][x y])) >> >> Based on the doc string I think the first one should be a syntax >> error. The (< x y) seems to be ignored: >> >> user=> (take 10 (for [x (range 1000) y (range 1000) this-is-ignored][x y])) >> ([0 0] [0 1] [0 2] [0 3] [0 4] [0 5] [0 6] [0 7] [0 8] [0 9]) >> user=> >> >> The doc string implies that you should use :when expr, :while expr or >> nothing at all for the filtering expression. -- Michael Wood <esiot...@gmail.com> --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
