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annotate filter.pm @ 89:7d6514aca622 laserkard

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author Robert McIntyre <rlm@mit.edu>
date Mon, 26 Jul 2010 02:22:46 -0400
parents 599d0315537d
children
rev   line source
rlm@0 1 package Filter;
rlm@0 2 use base 'Exporter';
rlm@0 3 our @EXPORT = ('filter');
rlm@0 4
rlm@0 5
rlm@0 6 sub filter
rlm@0 7 {
rlm@0 8
rlm@0 9 $ref = shift;
rlm@0 10 @list = @_;
rlm@0 11 my @ret = ();
rlm@0 12
rlm@0 13 for $element(@list)
rlm@0 14 {
rlm@0 15 if ($ref->($element))
rlm@0 16 {
rlm@0 17 push @ret, $element;
rlm@0 18 }
rlm@0 19 }
rlm@0 20
rlm@0 21 return @ret
rlm@0 22
rlm@0 23 }
rlm@0 24
rlm@0 25
rlm@0 26 1;