hi,
is there a query to tell me if a datatype implements a particular
protocol? i'm guessing there must be some forehead-slapping answer,
but i haven't gleaned the clue yet :-{
thanks.
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No need to slap your forehead, but here it is:
-
clojure.core/extends?
([protocol atype])
Returns true if atype explicitly extends protocol
-SS
On Feb 10, 4:03 pm, Raoul Duke rao...@gmail.com wrote:
hi,
is there a query to tell me if a datatype implements a
On Wed, Feb 10, 2010 at 1:20 PM, Stuart Sierra
the.stuart.sie...@gmail.com wrote:
No need to slap your forehead, but here it is:
-
clojure.core/extends?
([protocol atype])
Returns true if atype explicitly extends protocol
thanks!
at least a d'oh will be required.
clojure.core/extends?
doesn't seem to cover all the use cases? or i'm mistyping (er ha ha) something?
(ns p)
(defprotocol P1 (foo [this]))
(ns d)
(deftype T1 [f] :as this p/P1 (foo [] (println this)))
(deftype T2 [f] :as this)
(extend ::T2 p/P1 {:foo (fn [this] (println this))})
(println P1?T1
Hi,
Am 10.02.2010 um 22:20 schrieb Stuart Sierra:
No need to slap your forehead, but here it is:
-
clojure.core/extends?
([protocol atype])
Returns true if atype explicitly extends protocol
This only checks whether extend was explicitly called on atype. What you
