On Thu, Jun 25, 2009 at 7:03 AM, James Reeves<weavejes...@googlemail.com> wrote: > > On Jun 25, 10:02 am, James Reeves <weavejes...@googlemail.com> wrote: >> Here's one that regularly confuses me: >> >> (prn [10) >> >> => java.lang.Exception: Unmatched delimiter: ) >> >> Ideally the exception should correctly report the type of unmatched >> bracket. In this case: >> >> => java.lang.Exception: Unmatched delimiter: ] > > I've just realised I've made a mistake. The error message is not > complaining that there is a parenthesis missing; it is complaining > that an ending parenthesis has no matching start parenthesis. > > So this is an technically accurate error message, but perhaps not the > most intuitive, as a user is more likely to miss off an ending bracket > than a starting one. A better error message might be: > > => java.lang.Exception: Missing delimiter: ] >
But it doesn't know when it sees the ) that ] is missing, it might not be: (prn [10)] i.e. the ) has nothing to do with the [, there might not even be a pending aggregate: user=> ) java.lang.Exception: Unmatched delimiter: ) Rich --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---