Re: RFC 22 (v1) Builtin switch statement

[Jarkko Hietaniemi]

On Sun, Aug 06, 2000 at 04:40:29AM +1000, Damian Conway wrote:
>    > Oh, the table thing. The switch statement is useful without learning the
>    > complete table so I don't think complexity is a big problem. People can
>    > learn what they need and ignore the rest. I agree with you that it might
>    > be nice to have an array membership operator (like "in") so that you can
>    > write:
>    > 
>    >   if ($x in [ 1, 2, 3 ]) ...
> 
>        if ( grep $x==$_, (1,2,3) ) ...
> 
> Be nice if it would short-circuit in a boolean context though!

I think we need a general way of short-circuiting out of a grep
(and other list iterating funcs, if it makes sense...)  We may
need both success and failure short-circuits?  It's a pity 'last'
already has semantics there, not to mention return...

> Damian

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