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Groups > comp.lang.python > #67991
| References | <mailman.7890.1394176617.18130.python-list@python.org> <5319a975$0$29985$c3e8da3$5496439d@news.astraweb.com> |
|---|---|
| Date | 2014-03-07 22:24 +1100 |
| Subject | Re: Assertions are bad, m'kay? |
| From | Chris Angelico <rosuav@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.7897.1394191472.18130.python-list@python.org> (permalink) |
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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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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