view filter.pm @ 85:da4f4f91f8aa laserkard

got three separate Raphael instances
author Robert McIntyre <rlm@mit.edu>
date Sun, 25 Jul 2010 22:36:16 -0400
parents 599d0315537d
children
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1 package Filter;
2 use base 'Exporter';
3 our @EXPORT = ('filter');
6 sub filter
7 {
9 $ref = shift;
10 @list = @_;
11 my @ret = ();
13 for $element(@list)
14 {
15 if ($ref->($element))
16 {
17 push @ret, $element;
18 }
19 }
21 return @ret
23 }
26 1;