Elizabeth Mattijsen <[EMAIL PROTECTED]> writes:
>At 04:59 PM 8/12/02 +0100, Nick Ing-Simmons wrote:
>> >I'm not sure I'm following you here... Could you elaborate?
>>tie @tied_array; # 10000 elements say
>>
>>foreach my $value (@tied_array) # 10000 extra SVs tied to elements
>> {
>> print $value;
>> } # all freed here
>>
>>foreach my $i (0..$#tied_array)
>> {
>> my $value = $tied_array[$i]; # Just one extra SV tied to an element
>> print $value;
>> } # free'd / reused here
>
> From Arthur's description I got the impression that there wouldn't be any
>difference in these approaches. Both will do a FETCH and store it in an SV
>associated with the element. It's just that in the first case this happens
>when building the list in foreach(), the second it is when fetching it
>inside the loop.
>
>Am I reading Arthur's explanation the wrong way then?
There need only be one "slave element" SV per array - the "slaves" are not
stored in the 'local' array - just returned by FETCH.
--
Nick Ing-Simmons
http://www.ni-s.u-net.com/
