Hello,
I'd like to give you a good article for the wonderful introduce for perl's
map,sort and grep.See here:
http://web.archive.org/web/20041123005900/http://www.raycosoft.com/rayco/support/perl_tutor.html
Hope it's useful.
-jeff
-----Original Message-----
From: [EMAIL PROTECTED]
To: beginners@perl.org
Sent: Wed, 13 Sep 2006 9:38 PM
Subject: about map usage
Hi all,
In perlfaq4.pod I see one line:
my %hash = map { $_, 1 } @array;
What is the usage of 1 in this code?
Thanks,
Li
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