11-10-2018
Quote:
Originally Posted by
bakunin
. . . The rest is intergenetic (that is: between genes and hence completely meaningless). Thanks to my wife. . . .
Out of sheer curiosity - is that meaningless intergenetic rest the info that makes up the "genetic fingerprint" identifying individuals and revealing relationships like parent - child, or siblings? And, regards to your wife for educating us.
This User Gave Thanks to RudiC For This Post:
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LEARN ABOUT DEBIAN
forest::tree
Forest::Tree(3pm) User Contributed Perl Documentation Forest::Tree(3pm)
NAME
Forest::Tree - An n-ary tree
SYNOPSIS
use Forest::Tree;
my $t = Forest::Tree->new(
node => 1,
children => [
Forest::Tree->new(
node => 1.1,
children => [
Forest::Tree->new(node => 1.1.1),
Forest::Tree->new(node => 1.1.2),
Forest::Tree->new(node => 1.1.3),
]
),
Forest::Tree->new(node => 1.2),
Forest::Tree->new(
node => 1.3,
children => [
Forest::Tree->new(node => 1.3.1),
Forest::Tree->new(node => 1.3.2),
]
),
]
);
$t->traverse(sub {
my $t = shift;
print((' ' x $t->depth) . ($t->node || 'undef') . "
");
});
DESCRIPTION
This module is a basic n-ary tree, it provides most of the functionality of Tree::Simple, whatever is missing will be added eventually.
This class inherits from Forest::Tree::Pure>, but all shared methods and attributes are documented in both classes.
ATTRIBUTES
node
uid
parent
parent
_set_parent
has_parent
clear_parent
children
get_child_at ($index)
Return the child at this position. (zero-base index)
child_count
Returns the number of children this tree has
size
size
has_size
clear_size
height
height
has_height
clear_height
METHODS
is_root
True if the current tree has no parent
is_leaf
True if the current tree has no children
depth
Return the depth of this tree. Root has a depth of -1
add_child ($child)
add_children (@children)
Add a new child. The $child must be a "Forest::Tree"
insert_child_at ($index, $child)
Insert a child at this position. (zero-base index)
remove_child_at ($index)
Remove the child at this position. (zero-base index)
traverse (&func)
Takes a reference to a subroutine and traverses the tree applying this subroutine to every descendant.
siblings
Returns an array reference of all siblings (not including us)
to_pure_tree
Invokes "reconstruct_with_class" with Forest::Tree::Pure.
to_mutable_tree
Returns the invocant (without cloning).
clone
See "clone" in Forest::Tree::Pure.
This variant will not clone the parent, but return a clone of the subtree that is detached.
get_index_in_siblings
Returns the index of the tree in the list of children.
Equivalent to calling "$tree-"parent->get_child_index($tree)>.
Returns -1 if the node has no parent (the root node).
BUGS
All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to
cpan-RT.
AUTHOR
Stevan Little <stevan.little@iinteractive.com>
COPYRIGHT AND LICENSE
Copyright 2008-2010 Infinity Interactive, Inc.
<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.10.1 2010-09-27 Forest::Tree(3pm)