emacs-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: pure-fns in byte-opt.el


From: Richard Stallman
Subject: Re: pure-fns in byte-opt.el
Date: Mon, 25 Sep 2017 18:06:07 -0400

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

      > pure: like side-effect-free but additionally, the function always
      > returns the same value when called with the same arguments, so the
      > compiler can precompute the call if it knows the arguments.

It may be necessary to define "same" more precisely.
Does it mean equal?  eq?

-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.




reply via email to

[Prev in Thread] Current Thread [Next in Thread]