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Re: Assertions are bad, m'kay?

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Date Fri, 7 Mar 2014 22:24:29 +1100
Subject Re: Assertions are bad, m'kay?
From Chris Angelico <rosuav@gmail.com>
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On Fri, Mar 7, 2014 at 10:11 PM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
>> http://xkcd.com/1339/
>>
>> Abusing assert for arg checking violates XKCD 1339. Write
>> standards-compliant code!
>
> Assertions are not bad! They're just misunderstood and abused.
>
> (By the way, assertions are not the same as assumptions. Asserts can be
> used to check that assumptions are correct, or to check the internal
> logic of your reasoning. Whereas assumptions are just accepted as if they
> were correct, no questions asked.

The XKCD does draw a distinction between assuming and asserting. And I
do say "for arg checking", which is the most common *abuse* of assert.
But mainly, I just like to share laughs :)

ChrisA

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Thread

Assertions are bad, m'kay? Chris Angelico <rosuav@gmail.com> - 2014-03-07 18:16 +1100
  Re: Assertions are bad, m'kay? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-03-07 11:11 +0000
    Re: Assertions are bad, m'kay? Chris Angelico <rosuav@gmail.com> - 2014-03-07 22:24 +1100
    Re: Assertions are bad, m'kay? Dan Stromberg <drsalists@gmail.com> - 2014-03-07 16:15 -0800
      Re: Assertions are bad, m'kay? Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2014-03-08 01:26 +0100
      Re: Assertions are bad, m'kay? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-03-08 14:44 +0000
    Re: Assertions are bad, m'kay? Ben Finney <ben+python@benfinney.id.au> - 2014-03-08 11:22 +1100

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