Thanks!
Am 23.12.2011 16:10 schrieb "Steve Miner" <stevemi...@gmail.com>:

>
> On Dec 22, 2011, at 10:54 PM, Herwig Hochleitner wrote:
>
> I want to match vectors of the form [(some expr) :as :label], but  #(match
> [%] [[expr :as (label :when keyword)]] {:expr expr :label label}) throws a
> compiler exception: Unable to resolve symbol expr
>
>
> If you want to match a literal keyword that has a special meaning to
> match, you need to quote it. (It's always safe to quote the keyword
> literals when in doubt.)  Also, I think your :when test should be keyword?
> (to make sure something is a keyword, rather than creating one).  The
> following works for me:
>
> (match [['(some expr) :as :label]]
>    [[expr ':as (label :when keyword?)]] {:expr expr :label label})
>
> ;=> {:expr (some expr), :label :label}
>
>
> --
> Steve Miner
> stevemi...@gmail.com
>
>  --
> 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 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

Reply via email to