How to detect if protocol exists in ClojureScript object?

Question

I have a series of ClojureScript objects, but only some of them implement a certain protocol. how can I detect if the protocol is extended on a particular object?

Jared314 · Accepted Answer · 2013-09-15 20:44:31Z

2

You can use satisfies? to check if the object extends the protocol.

(defprotocol p
  (go [_] nil))

(deftype t []
  p
  (go [this] true))

(satisfies? p (t.)) ;=> true

answered Sep 15, 2013 at 20:44

Jared314

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