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From: | Stefan Monnier |
Subject: | Re: Arbitrary function: find the number(s) of expected arguments |
Date: | Tue, 15 Mar 2016 23:47:34 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
> (if (accepts-2-arguments callback) > (funcall callback computed-data > this-value-gets-computed-as-side-effect) > (funcall callback computed-data))) (condition-case nil (funcall callback computed-data this-value-gets-computed-as-side-effect) (wrong-number-of-arguments (funcall callback computed-data))) -- Stefan
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