On Mon, Feb 15, 2010 at 7:25 AM, Аркадий Рост <arkr...@gmail.com> wrote:
> Hi!
> I was playing a bit with with-bindings* function, but I got error
> every time.
>
> I've tried:
>
> (def a 5)
>
> (with-bindings* {a 3} println a) ;; got java.lang.Integer cannot be
> cast to clojure.lang.Var
>
> (with-bindings* [{a 3}] println a) ;;got
> clojure.lang.PersistentArrayMap cannot be cast to
> clojure.lang.IMapEntry
>
> (with-bindings* [a 3] println a) ;;got java.lang.Integer cannot be
> cast to clojure.lang.IMapEntry
>
> and others variants...So what's the syntaxes of this function?
>
> Someone show code example, please.
Hi,
Try one of the following:
user=> (with-bindings* {#'a 3} println a)
5 ; It seems as if args doesn't have the new bindings yet since this prints 5
nil
user=> (with-bindings {#'a 3} (println a))
3
nil
user=> (with-bindings* {#'a 3} #(println a))
3
nil
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