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Showing content from https://mail.python.org/pipermail/python-dev/2002-January/019630.html below:

[Python-Dev] When to signal an error

[Python-Dev] When to signal an error [Python-Dev] When to signal an errorMichael Hudson mwh@python.net
21 Jan 2002 10:24:54 +0000
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.

-- 
  MGM will not get your whites whiter or your colors brighter.
  It will, however, sit there and look spiffy while sucking down
  a major honking wad of RAM.              -- http://www.xiph.org/mgm/



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