[Python-Dev] re: conditional expressions

[Greg Wilson]

I just showed the proposed conditional expression syntax
to two colleagues, and asked them how they would write
the "sign" function (-1 for negative, 0 for zero, +1 for
positive) using it.  Both of them wrote:

    s = if x < 0 then -1 elif x == 0 then 0 else 1

(Well, OK, one of them tested negative, then positive, then
returned zero as the 'else', but that's a quibble.)  I think
most users will expect 'elif' to work in expressions, just
as it does in statements; is this already part of the new 
syntax?

Thanks,
Greg


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