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RE: The poor state of documentation of pcase like things.
From: |
Phillip Lord |
Subject: |
RE: The poor state of documentation of pcase like things. |
Date: |
Sun, 20 Dec 2015 09:25:18 +0000 |
It matches anything (like a variable) but does not actually bind a variable.
It's also being used in other parts of Emacs -- I've used it for generic EIEIO
methods
(defmethod blah (a b _))
to mean "I have to have a parameter, but am not going to use it", although it's
just a symbol
like any other and binds a variable. IIRC it shuts byte compiler warnings up
about unused variables.
________________________________________
From: Richard Stallman address@hidden
Sent: 20 December 2015 05:13
To: Phillip Lord
Cc: address@hidden; address@hidden
Subject: Re: The poor state of documentation of pcase like things.
[[[ 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. ]]]
Could someone report on what the current meaning of _ is?
How is it actually used in pcase?
--
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.
- Re: The poor state of documentation of pcase like things., (continued)
Re: The poor state of documentation of pcase like things., John Wiegley, 2015/12/17
- Re: The poor state of documentation of pcase like things., Richard Stallman, 2015/12/17
- Re: The poor state of documentation of pcase like things., Phillip Lord, 2015/12/18
- Re: The poor state of documentation of pcase like things., Michael Heerdegen, 2015/12/19
- Re: The poor state of documentation of pcase like things., Phillip Lord, 2015/12/19
- Re: The poor state of documentation of pcase like things., Michael Heerdegen, 2015/12/19
- Re: The poor state of documentation of pcase like things., Phillip Lord, 2015/12/19
- Re: The poor state of documentation of pcase like things., Richard Stallman, 2015/12/20
- RE: The poor state of documentation of pcase like things.,
Phillip Lord <=
- Re: The poor state of documentation of pcase like things., Richard Stallman, 2015/12/21
- Re: The poor state of documentation of pcase like things., Phillip Lord, 2015/12/21
- Re: The poor state of documentation of pcase like things., John Wiegley, 2015/12/22
Re: The poor state of documentation of pcase like things., Michael Heerdegen, 2015/12/20
Re: The poor state of documentation of pcase like things., Michael Heerdegen, 2015/12/20
Re: The poor state of documentation of pcase like things., Phillip Lord, 2015/12/20
Re: The poor state of documentation of pcase like things., Michael Heerdegen, 2015/12/24
Re: The poor state of documentation of pcase like things., John Wiegley, 2015/12/24
Re: The poor state of documentation of pcase like things., Michael Heerdegen, 2015/12/24
Re: The poor state of documentation of pcase like things., Phillip Lord, 2015/12/19