I wrote a blog post about this last year:
http://spencertipping.com/posts/2012.0819.clojure-metadata.html
On Wednesday, July 24, 2013 3:09:11 PM UTC-7, Jozef Wagner wrote:
>
> I have a hard time understanding the rules for the evaluation of the
> metadata in the reader. Following example illustrates this:
>
> (let [x :foo
> v1 (quote ^{x 4} [1 2 3])
> v2 ^{x 4} [1 2 3]]
> (println (meta v1) v1)
> (println (meta v2) v2))
>
> prints
>
> {x 4} [1 2 3]
> {:foo 4} [1 2 3].
>
> Is it a desired behavior that reader is influenced by whether it reads
> inside a quoted form? Even strangely,
>
> (let [x :foo
> v1 (quote ^{x 4} [])
> v2 ^{x 4} []]
> (println (meta v1) v1)
> (println (meta v2) v2))
>
> prints
>
> nil []
> {:foo 4} []
>
> Best,
> JW
>
>
--
--
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.
