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Re^2: What I Most Recently Learned in Perl, But Should Have Already Known

by pKai (Priest)
on Aug 23, 2006 at 08:49 UTC ( #569039=note: print w/ replies, xml ) Need Help??


in reply to Re: What I Most Recently Learned in Perl, But Should Have Already Known
in thread What I Most Recently Learned in Perl, But Should Have Already Known

That reminds me that some time back I tried to get a grip on hash slices.

In similar use to your example:

my @intersection = grep {defined} @{{map {$_=>$_} @a}}{@b}

Though in everyday life I prefer your method, since I tend to get headache from thinking about that slices and also definitely got the syntax and/or semantics wrong the first time always.


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