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From: | Stefan Monnier |
Subject: | Re: trunk r117969: Font-lock `cl-flet*', too. |
Date: | Sun, 28 Sep 2014 21:30:11 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) |
> I compare the expansions of these two forms and they look quite similar > to me. What kind of inefficiency do you have in mind? Notice the `setq's? These make a big difference in lexical-binding code (since they mean that we can't close over the var's value but have to close over the var's memory location, which gets reified as a cons cell). Stefan
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