Am 30.12.2010 07:54, schrieb Jarl Haggerty:
This code,
(defprotocol Matrix
(matrix-get [this c r]))
(deftype Matrix2D [data height width]
Matrix
(matrix-get [this r c] 1))
Gives me this error
Exception in thread "main" java.lang.IllegalArgumentException: Can't
define method not in interfaces: matrix_get (core.clj:6)
[…]
Simply changing the name of the function to get-cell removed this
problem, but I feel a need to know what is wrong with this.
Do you observe this in a fresh Clojure?
I ran into something similar, but with definterface.
I had a definterface form and later added new functions to it, which I
could not implement before restarting the JVM, as the interface has
already been created the way I specified it in the first place.
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