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bug#15326: 24.3; Incorrect "variable not left unused" in destructuring c


From: Stefan Monnier
Subject: bug#15326: 24.3; Incorrect "variable not left unused" in destructuring cl-loop
Date: Tue, 10 Sep 2013 17:05:52 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

> In the macro expansion, the _ is declared in a `let', then later set
> with `setq', "using" it.

A `setq' does not *use* a variable.  It just sets it, affecting
later uses.  If there's no later uses, the setq is just a no-op.

Fixing this will require someone to dig into the `cl-loop' macro.


        Stefan "who suspects it's not really fixed in
                destructuring-bind either"





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