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Re: Lexical let and setq

From: Stefan Monnier
Subject: Re: Lexical let and setq
Date: Fri, 13 Sep 2013 23:46:36 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

> The primary reason I have seen the (let (foo) (setq foo ...)) idiom is
> in looping code.

That one is OK, since recursion is not supported efficiently.
The problem is when people use the above because they're writing (poor)
C code in Elisp (e.g. they begin their functions with a big let
declaring all the local vars that they may use later on in the


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