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Re: Why do we need $a and $b to be special?

by dakkar (Hermit)
on Jul 30, 2004 at 12:56 UTC ( #378662=note: print w/replies, xml ) Need Help??

in reply to Why do we need $a and $b to be special?

In a module of mine (might event release it at some time), I needed the same functionality, so I wrote:

my $caller=(caller(1))[0]; no strict 'refs'; @out=sort { local (${"${caller}::a"},${"${caller}::b"})=($a,$b); $sort->($a,$b) } @in;

This might not give the fastest runtimes, but allows the user to pass a compare sub that works in any of the two ways.

        dakkar - Mobilis in mobile

Most of my code is tested...

Perl is strongly typed, it just has very few types (Dan)

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