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Re: Guarding arithmetic

From Mark Carter <alt.mcarter@gmail.com>
Newsgroups comp.lang.python
Subject Re: Guarding arithmetic
Date 2012-08-23 02:22 -0700
Organization http://groups.google.com
Message-ID <b1bd0444-e8ef-4f03-bd69-208e0c550147@googlegroups.com> (permalink)
References <8b9a5844-66b0-4940-946a-5e626462cdce@googlegroups.com> <mailman.3700.1345713371.4697.python-list@python.org>

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On Thursday, 23 August 2012 10:16:08 UTC+1, Chris Angelico  wrote:
> On Thu, Aug 23, 2012 at 7:05 PM, Mark Carter <> wrote:
> > Suppose I want to define a function "safe", which returns the argument passed if there is no error, and 42 if there is one. 

> only possible with floating point, not integer.
> 
> try:
>     print 1/0
> except ZeroDivisionError:
>     print 42

OK, so it looks like a solution doesn't exist to the problem as specified. I guess it's something that only a language with macros could accommodate.

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Thread

Guarding arithmetic Mark Carter <alt.mcarter@gmail.com> - 2012-08-23 02:05 -0700
  Re: Guarding arithmetic Chris Angelico <rosuav@gmail.com> - 2012-08-23 19:16 +1000
    Re: Guarding arithmetic Mark Carter <alt.mcarter@gmail.com> - 2012-08-23 02:22 -0700
    Re: Guarding arithmetic Chris Angelico <rosuav@gmail.com> - 2012-08-23 19:29 +1000
    Re: Guarding arithmetic Mark Carter <alt.mcarter@gmail.com> - 2012-08-23 02:22 -0700
  Re: Guarding arithmetic Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-23 11:23 +0200
    Re: Guarding arithmetic Mark Carter <alt.mcarter@gmail.com> - 2012-08-23 02:47 -0700
    Re: Guarding arithmetic Mark Carter <alt.mcarter@gmail.com> - 2012-08-23 02:47 -0700
  Re: Guarding arithmetic Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-23 11:28 +0200
  Re: Guarding arithmetic Chris Angelico <rosuav@gmail.com> - 2012-08-23 19:30 +1000
  Re: Guarding arithmetic Peter Otten <__peter__@web.de> - 2012-08-23 12:11 +0200
    Re: Guarding arithmetic rusi <rustompmody@gmail.com> - 2012-08-23 10:15 -0700
  Re: Guarding arithmetic Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-23 13:01 +0200
  Re: Guarding arithmetic MRAB <python@mrabarnett.plus.com> - 2012-08-23 12:21 +0100
  Re: Guarding arithmetic Peter Otten <__peter__@web.de> - 2012-08-23 13:28 +0200
  Re: Guarding arithmetic Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-23 15:11 +0100
  Re: Guarding arithmetic Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-08-23 14:49 -0400
  Re: Guarding arithmetic Chris Angelico <rosuav@gmail.com> - 2012-08-24 07:48 +1000

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