generator expressions: performance anomaly?

[Paul Rubin]

Steve Holden <steve at holdenweb.com> writes:
> You probably already know that sensible compiled language systems have
> used constant folding since time immemorial, but Python has always
> eschewed it. That's what comes of being a pragmatist's language: if
> such optimizations really are required the programmer is expected to
> perform them.

You mean the lack is deliberate?  I just figured it was an artifact of
the implementation and that PyPy had some reasonable chance of fixing it.