Mercurial > boosterpack

view filter.pl @ 2:d7dd496a4fa6 boosterpack

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[svn r4] actual functionality!
author robert
date Tue, 08 Sep 2009 02:45:26 -0400
parents
children 8c6d2ce90677
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     1 sub filter



     2 {



     3 



     4 	$ref = shift;



     5 	@list = @_;



     6 	my @ret = ();



     7 	



     8 	for $element(@list)



     9 	{



    10 		if ($ref->($element))



    11 		{



    12 			push @ret, $element;



    13 		}



    14 	}



    15 



    16 	return @ret



    17 	



    18 }



    19 



    20 



    21 



    22 



    23 @test = (1,2,3,4,5,6);



    24 



    25 sub even



    26 {



    27 	return ($_[0]%2 == 0);



    28 }



    29 



    30 @rr = &filter(\&even, @test);



    31 



    32 print "@rr";