For updating the value of a map given a key you can use update-in:
user> (update-in {1 [11]} [1] conj 22)
{1 [11 22]}
Now, to handle the case when the key is not present, you can use fnil:
user> (update-in {} [1] (fnil conj []) 22)
{1 [22]}
Cheers,
Mauricio
--
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to [email protected]
Note that posts from new members are moderated - please be patient with your
first post.
To unsubscribe from this group, send email to
[email protected]
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 [email protected].
For more options, visit https://groups.google.com/d/optout.