[erlang-questions] Somebody please correct my -callback understanding
Damian Dobroczyński
qoocku@REDACTED
Wed Dec 14 17:58:23 CET 2011
Hi list!
I have a module "a" defining callback "c":
-module (a).
-callback c (integer()) -> integer().
Now, I have callback module "b" implementing invalid (non-comforming the
a:c/1 spec) callback "c":
-module (b).
-behavior (a).
-export ([c/1]).
c (A) when is_atom(A) ->
A.
Now, I dialyze both modules:
$ dialyze -n --src a.erl b.erl
which outputs:
Proceeding with analysis... done in 0m0.64s
done (passed successfully)
What I've expected is the dialyzer warning about invalid b:c/1 function
(something about breaking the contract for c/1). Am I right?
-- D.
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