Visualize a tree: Difference between revisions
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Added Sidef
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</pre>
=={{header|Sidef}}==
{{trans|Perl 6}}
<lang ruby>func visualize_tree(tree, label, children,
indent = '',
mids = ['├─', '│ '],
ends = ['└─', ' '],
) {
func visit(node, pre) {
gather {
take(pre[0] + label(node))
var chldn = children(node)
var end = chldn.end
chldn.each_kv { |i, child|
if (i == end) { take(visit(child, [pre[1]] ~X+ ends)) }
else { take(visit(child, [pre[1]] ~X+ mids)) }
}
}
}
visit(tree, [indent] * 2)
}
var tree = 'root':['a':['a1':['a11':[]]],'b':['b1':['b11':[]],'b2':[],'b3':[]]]
say visualize_tree(tree, { .first }, { .second }).flatten.join("\n")</lang>
{{out}}
<pre>
root
├─a
│ └─a1
│ └─a11
└─b
├─b1
│ └─b11
├─b2
└─b3
</pre>
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