Looking closer, it looks like this was carried over from the Feature Expressions design page, and related to the inability in ClojureScript to catch all. However with http://dev.clojure.org/jira/browse/CLJS-661, it is now possible to use :default, so it looks like this comment no longer applies.
On Wed, Jun 3, 2015 at 10:12 PM Herwig Hochleitner <hhochleit...@gmail.com> wrote: > 2015-06-02 23:57 GMT+02:00 Daniel Compton <daniel.compton.li...@gmail.com> > : > >> On the Reader Conditionals >> <http://dev.clojure.org/display/design/Reader+Conditionals> dev >> discussion page at one part it talks about exception handling: >> >> "Exception handling, catching "all" - see issue below on why this is not >> a complete solution in either case." >> >> I looked further down the page and couldn't see a discussion of why this >> isn't a complete solution. The only mentions of exceptions talked about >> them at read time, but not in this context at run time. Is this mentioned >> somewhere, on this page or elsewhere? >> > > You're right, there doesn't seem to be any further discussion of this on > the page. Probably a Copy&Paste error. I assume, it talks about the issue > that in javascript, anything can be thrown, even stuff that doesn't inherit > from js/Object. > Therefore, to catch really everything, you need to (catch :default ..) in > clojurescript. > Likewise, in java you need to catch java.lang.Throwable in order to catch > everything, though, in most code this is not advisable, since Throwables > that are not Exception are used for fatal errors, like OOM conditions. > > -- > 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. > -- -- Daniel -- 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.
