[Python-Dev] Multiple expression eval in compound if statement?

[Gerrit Holl]

Hi,

Raymond Hettinger wrote:
> I think it unwise to allow x to be any expression.  Besides altering
> existing semantics, it leads to code redundancy and to a fragile
> construct (where the slightest alteration of any of the expressions
> triggers a silent reversion to O(n) behavior).

What would happen if 'x' were to be an object whose class has a __eq__
that is defined in an odd way, e.g. having side effects?
Might this mean behaviour change even if 'x' is a local variable?

yours,
Gerrit Holl.

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