Mercurial > rlmcintyre
annotate BoosterPack/.svn/text-base/filter.pm.svn-base @ 0:0d795f02a8bb tip
initial committ. what was I thinking?
| author | Robert McIntyre <rlm@mit.edu> |
|---|---|
| date | Mon, 27 Sep 2010 16:57:26 -0400 |
| parents | |
| 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; |