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Re: Why doesn't nconc change my variable?

From: Thorsten Jolitz
Subject: Re: Why doesn't nconc change my variable?
Date: Sun, 05 Oct 2014 12:52:03 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Marcin Borkowski <> writes:

>>> (setq my-list (nconc my-list '("wtf")))

> That I didn't read earlier; I've read it now, and still don't get it.

even w/o understanding the details, one can simply try to internalize
the rule that after destructive list operations a setq is necessary to
make changes take effect, i.e. always use this (pseudo-code) pattern: 

| (setq X (destuctively-modify X))


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