Re: The distinction between "do BLOCK while COND" and "EXPR while COND" should go

[Tom Christiansen]

>>>>>> "TC" == Tom Christiansen <[EMAIL PROTECTED]> writes:

>TC> Well, that depends.  Often you must delay till run-time.  When Perl
>TC> simply sees something like:
>TC>     sub fn { return @blah } 
>TC> it can't know whether you'll use that as:
>TC>     $x = fn();
>TC> or
>TC>     @x = fn();
>TC> or
>TC>     fn();

>I think with the -internals idea of pushing a thingee on the stack
>rather than flattening the list, the actual effect of the assingment
>can easily be delayed with little cost to runtime.

>It might be worthwhile enough to kill
>       sub fn { return (7,8,9,10) }

>       $x = fn();      # $x == 10

But this happens many places.  What about @foo[4,1,9,-2]? 
It's just a listish thing.  One should learn.

--tom