Thought:

(defmacro as->
        [expr name & forms]
        `(let [~name ~expr
               ~@(interleave (repeat name) (butlast forms))]
           ~(last forms)))




On Sunday, October 5, 2014 1:02:50 AM UTC+2, Jan-Paul Bultmann wrote:
>
> Hey, 
> I just noticed that while recur can be the last statement in most 
> threading macros, 
> it can’t be used within an `as->` macro. 
>
>   user=> (macroexpand '(-> x (recur))) 
>   (recur x) 
>
>   user=> (macroexpand '(as-> x % (recur %))) 
>   (let* [% x % (recur %)] %) 
>
> This means that a recur within a `as->` will cause a CompilerException, 
> because it is not at the tail position. 
>
> Thoughts? 
>
> Cheers, 
> Jan-Paul

-- 
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.

Reply via email to