If you don't need the result, you should use dorun instead of doall. http://clojuredocs.org/clojure_core/clojure.core/dorun
Jonathan On Sat, May 4, 2013 at 8:07 PM, Gary Verhaegen <gary.verhae...@gmail.com>wrote: > Just want to point out that doall seeming more idiomatic in this case > might just be an accident of history - mapv is a relatively new > addition to Clojure (1.4). At least to me, it is immediately obvious > that a mapv is intentionally non lazy. > > On 4 May 2013 12:07, Timo Mihaljov <t...@mihaljov.info> wrote: > > On 04.05.2013 13:01, Korny Sietsma wrote: > >> Thanks - I thought doall was probably better than mapv. > >> > >> Incidentally, doseq won't work - if the 5th result throws an exception > >> during parsing, results 1-4 will still be saved, whereas I want the > >> whole operation to abort without saving anything. > > > > Ah right, I didn't think of that. I'd still go with `doseq` for the > > saving (otherwise you'll build up a result collection just to throw it > > away), just wrap the first `map parse-record` in a `doall`. > > > > -- > > Timo > > > > -- > > -- > > 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/groups/opt_out. > > > > > > -- > -- > 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/groups/opt_out. > > > -- -- 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/groups/opt_out.
