Evaluation of Truth Curiosity
fredrik at pythonware.com
Thu Sep 21 05:30:16 EDT 2006
James Stroud wrote:
> I'm curious, in
> py> 0 | (1 == 1)
> py> False | (1 == 1)
> What is the logic of the former expression not evaluating to True (or
> why the latter not 1?)? Is there some logic that necessitates the first
> operand's dictating the result of the evaluation? Or is this an artefact
> of the CPython implementation?
looks like you're confusing binary or ("|") with logical or ("or").
binary or on booleans are only defined for boolean | boolean; for any
other combination, the usual coercion rules apply.
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