To expand on what Marko said, the set!able Vars that come with Clojure just have thread-local bindings created already in the REPL thread. They're really only meant to aid developers working at the REPL, rather than to be set! as part of normal running code.
On Wed, Mar 13, 2013 at 5:06 PM, Marko Topolnik <marko.topol...@gmail.com>wrote: > On Wednesday, March 13, 2013 9:35:42 PM UTC+1, puzzler wrote: > >> OK, thanks. The apparent "globalness" is not the piece I want to >> imitate. I want to make a var available for users to set!, where the var >> controls overall behavior of how the library operates. >> >> I understand that I can just declare the var dynamic, and then they can >> control it with the binding construct, but I want users to be able to set! >> it once and forget about it. >> > > As far as I understand it, *set!* modifies the *thread-local* binding, > just like the *binding* macro, but doesn't delimit a definite scope of > validity for the binding. You can *set!* any dynamic var with the same > semantics. > > -Marko > > > -- > -- > 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.
