On 12 June 2012 14:28, Jim - FooBar(); <jimpil1...@gmail.com> wrote:
> Of course, I Just noticed that type-hinting 'p' renders the precondition
> useless...an extra performance bonus!
Not really -- only primitive type hints actually prevent the function
from accepting a non-matching argument:
(defn foo [^java.util.Map x] x)
(foo #{})
;= #{}
(defn foo [x]
{:pre [(instance? java.util.Map x)]}
x)
(foo #{})
; AssertionError
M.
--
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
