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Re: e and pi
From: |
Stefan Monnier |
Subject: |
Re: e and pi |
Date: |
Sat, 18 Sep 2010 00:17:04 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
>> in the current lexbind branch (where e is defined as a global/dynamic
>> variable), the below code would not do the same:
>>
>> (defun make-inc (e)
>> (lambda (f) (+ e f)))
>>
>> because "e" happens to be a predefined global variable with
>> dynamic-scoping semantics.
> This doesn't sound right---it means that people will have to make sure
> their function args do not coincide with any defvar, defined anywhere.
> It won't just be "e" and "pi" causing problems. Someone might write
> (defun froob (argv)
> (lambda (f) (cons f argv)))
> and have that fail, because "argv" is a defvar defined in startup.el.
Exactly: hence the new warning.
Stefan
- Re: e and pi, (continued)
- Re: e and pi, Glenn Morris, 2010/09/17
- Re: e and pi, Eli Zaretskii, 2010/09/18
- Re: e and pi, Helmut Eller, 2010/09/18
- Re: e and pi, Eli Zaretskii, 2010/09/18
- Re: e and pi, Helmut Eller, 2010/09/18
- Re: e and pi, David Kastrup, 2010/09/18
- Re: e and pi, Eli Zaretskii, 2010/09/18
- Re: e and pi, Andreas Schwab, 2010/09/18
- Re: e and pi, Stephen J. Turnbull, 2010/09/18
- RE: e and pi, Drew Adams, 2010/09/18
- Re: e and pi,
Stefan Monnier <=
- Re: e and pi, Chong Yidong, 2010/09/17
- Re: e and pi, Stefan Monnier, 2010/09/18
- Re: e and pi, Chong Yidong, 2010/09/18
- Re: e and pi, Uday S Reddy, 2010/09/18
- RE: e and pi, Drew Adams, 2010/09/18
- Re: e and pi, Juanma Barranquero, 2010/09/18
- Re: e and pi, Stefan Monnier, 2010/09/18
- Re: e and pi, Lars Magne Ingebrigtsen, 2010/09/18
- Re: e and pi, Stefan Monnier, 2010/09/18
- Re: e and pi, Juanma Barranquero, 2010/09/19