thomas wrote:
> > Saving two characters (":" vs "for") isn't worth it in Python. The
> > vertical bar *would* be "worth it" to me, because that's what's used in
> > SETL, Haskell *and* common mathematical practice for "such that". Alas,
> > as Guido is sure to point out, that's too hard to parse
>
> It's impossible to parse, of course, unless you require the parentheses
> around the expression preceding it :)
>
> [ (n) | n in range(100) if n%2 ]
I'm pretty sure Tim meant "|" instead of "if". the SETL syntax is:
[ n : n in range(100) | n%2 ]
(that is, ":" instead of for, and "|" or "st" instead of "if". and yes,
they have nice range literals too, so don't take that "range" too
literal ;-)
in SETL, that can also be abbreviated to:
[ n in range(100) | n%2 ]
which, of course, is a perfectly valid (though slightly obscure)
python expression...
</F>
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