Data commit

Task/Visualize-a-tree/Ruby/visualize-a-tree-1.rb

@@ -0,0 +1 @@
+root = BinaryTreeNode.from_array [1, [2, [4, 7], [5]], [3, [6, [8], [9]]]]

Task/Visualize-a-tree/Ruby/visualize-a-tree-2.rb

@@ -0,0 +1,2 @@
+require 'pp'
+pp root

Task/Visualize-a-tree/Ruby/visualize-a-tree-3.rb

@@ -0,0 +1,12 @@
+def ptree(tree,indent="  ")
+  case tree
+  when Array
+    head,*tail=tree
+    ptree(head,indent)
+    s=tail.size-1
+    tail.each_with_index { |tree1,i| ptree(tree1,"#{indent}#{((i==s) ? ' ':'|')}  ") }
+  else
+     puts(indent.gsub(/\s\s$/,"--").gsub(/ --$/,"\\--")+tree.to_s)
+  end
+end
+ptree [1,2,3,[4,5,6,[7,8,9]],3,[22,33]]