[Python-Dev] When to signal an error

[Michael Hudson]

Neal Norwitz <neal@metaslash.com> writes:

> Currently, I think there are 2 or 3 warnings which definitely fit this class:
> No global found, using ++/--, and expressions with no effect as Jason
> described.

It would sure be nice if using a variable before assignment produced a
warning at compile time.  However I think this needs flow analysis and
you won't catch me trying to add that to compile.c.

Cheers,
M.

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