Jarkko Hietaniemi writes:
>On Mon, May 06, 2002 at 08:25:11PM -0700, William R Ward wrote:
[...] To reduce it even farther, one of
>> these works and the other doesn't - try it and see:
>>
>> perl -e 'for (1..10) { $_++; }'
>> perl -e 'for (1,2,3,4,5,6,7,8,9,10) { $_++; }'
>>
>> Is this a known bug?
>
>I think perlsyn has had this for a while:
>
> If any element of LIST is an lvalue, you can modify it by modifying
> VAR inside the loop. Conversely, if any element of LIST is NOT an
> lvalue, any attempt to modify that element will fail. In other words,
> the C<foreach> loop index variable is an implicit alias for each item
> in the list that you're looping over.
>
>That the first one works (as in, "doesn't fail", what it *does*, I
>don't know) is to be considered an accident since I do not see any
>lvalues in either.
>
>But that's a post-5.8.0 issue from my perspective.
It's something that should (IMNSHO) at least be documented as a known
bug.
--
William R Ward [EMAIL PROTECTED] http://www.wards.net/~bill/
-----------------------------------------------------------------------------
AMAZING BUT TRUE: There is so much sand in northern Africa that if it were
spread out it would completely cover the Sahara Desert!
