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Thu Oct 6 16:31:00 CEST 2011 · https://mail.python.org/pipermail/python-dev/2011-October/113887.html

On 6 Oct, 2011, at 14:57, Amaury Forgeot d'Arc wrote:

> Hi,
> 
> with the new Unicode API, there are many checks like:
> +        if (PyUnicode_READY(*filename))
> +            goto handle_error;
> 
> Every time I read it, I get it wrong:
>   "If filename is ready, then fail"
> then I have to remember that the function returns either 0 or -1.
> 
> I'd prefer it was written :
>       if (PyUnicode_READY(*filename) < 0)
> because "< 0" clearly indicates an error condition.
> That's how all calls to PyType_Ready are written, for example.
> 
> Am I the only one to be distracted by this idiom?

I prefer the '< 0' variant as well, for the same reason as you.

Ronald

> 
> -- 
> Amaury Forgeot d'Arc
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[Python-Dev] check for PyUnicode_READY look backwards