1Tree::DeepClone(3) User Contributed Perl Documentation Tree::DeepClone(3)
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6 Tree::DeepClone - A subclass of Tree::Fast which does deep cloning
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9 #!/usr/bin/env perl
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11 use 5.010;
12 use strict;
13 use warnings FATAL => 'all';
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15 use Tree::DeepClone;
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17 # -----------------------
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19 my(@alphabet) = (qw/a b c d e f g h i j k l m n o p q r s t u v w x y z/);
20 my($tree) = Tree::DeepClone -> new('root');
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22 $tree -> add_child({}, map {Tree::DeepClone -> new($_)} 1..3);
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24 my($value);
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26 say 'Tree:';
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28 for ($tree -> traverse)
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30 $value = $_ -> value;
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32 $_ -> meta({$value => ($value eq 'root') ? '0' : $alphabet[$value - 1]});
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34 say $_ -> value, '. meta: ', ${$_ -> meta}{$value};
35 }
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37 my($clone) = $tree -> clone;
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39 say 'Clone:';
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41 for ($clone -> traverse)
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43 $value = $_ -> value;
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45 say $_ -> value, '. meta: ', ${$_ -> meta}{$value};
46 }
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49 This module simply adds deep cloning to Tree::Fast. As per the
50 Synopsis, you must use Tree::DeepClone everywhere you want this
51 feature.
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54 All methods in <Tree::Fast> are available in Tree::DeepClone.
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57 <https://github.com/ronsavage/Tree>.
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60 ยท Stevan Little for writing Tree, upon which this module is based.
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63 Ron Savage <rsavage@cpan.org>.
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65 <https://savage.net.au/>.
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68 This library is free software; you can redistribute it and/or modify it
69 under the same terms as Perl itself.
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73perl v5.30.0 2019-07-26 Tree::DeepClone(3)