On Thu, Mar 20, 2008 at 12:05 PM, Sharan Basappa
<[EMAIL PROTECTED]> wrote:
> ok. thats what I wanted to confirm. I my crude code, I was doing
>  exactly that and was
>  wondering if there is some other way to make an entry without really
>  adding value.
>  Maybe, perl has to do it internally but will be much more optimal than the 
> one
>  I am simply forcing a value of 1
snip

Not in Core Perl, but you could always write a hash set implementation
in C, write some XS code to expose its functions to Perl, and then use
tie* to tie the result to a hash:

tie my %hashset, "Your::HashSet", @list;

* http://perldoc.perl.org/functions/tie.html

-- 
Chas. Owens
wonkden.net
The most important skill a programmer can have is the ability to read.

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