[Python-ideas] [Python-ideos] Dedicated overloadable boolean operators

[Chris Barker]

On Mon, Nov 23, 2015 at 5:44 PM, Michael Selik <mike at selik.org> wrote:

> With NumPy I make that mistake constantly:
>     A == a & B == b
> rather than
>     (A == a) & (B == b)
>
> I'd put that in the category of parentheses tax
>

It's not just the operator precedence that's an issue here -- this also
means something different than what people expect. As it happens a bitwise
and works "just like" and when the values are boolean (like above), but
that isn't always the case -- confusion waiting to happen.

-CHB



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Christopher Barker, Ph.D.
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