Python Worst Practices
Ben Finney
ben+python at benfinney.id.au
Wed Feb 25 18:48:21 EST 2015
Chris Angelico <rosuav at gmail.com> writes:
> (Flipping the booleans makes no sense to me. When would 0 mean true
> and 1 mean false? Isn't it much more likely that, for instance, 0
> means success and nonzero means error (and maybe there's just one
> error state, so 1 means failure)?)
You've answered your question, I believe. In some contexts – such as
Unix shell – 0 ⇒ success ⇒ true, and non-0 ⇒ failure ⇒ false.
The Unix commands ‘true’ and ‘false’ follow that convention
<URL:https://en.wikipedia.org/wiki/True_and_false_%28commands%29>.
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Ben Finney
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