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α-wwwiki :: history/flat_tree/20130728-003107.txt

editor : alpha [82.64.228.119] 2013/07/28 00:31:07
{div {@ style="display:none;"}
  {define y () 
    var args = [].slice.call(arguments).join(' ');
    return '{span {@ style="color:blue;font-size:0.5em;"}'+args+'}'; 
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}

_h1 flat tree

_p How to visualize a tree structure ?

{pre

(+ 1 2)
----------------------
(+ 
{y 1:}1 
{y 2:}2
) 
----------------------
+
1 2
======================
(+ 1 (* 2 3) 4)
----------------------
(+ 
{y 1:}1 
{y 2:}(* 
  {y 1:}2 
  {y 2:}3
  ) 
{y 3:}4
) 
----------------------
+
1 *   4
  2 3
======================
(sqrt (+ (* 3 3) (* 4 4)))
----------------------
(sqrt 
{y 1:}(+ 
  {y 1:}(* 
    {y 1:}3 
    {y 2:}3
    ) 
  {y 2:}(* 
    {y 1:}4 
    {y 2:}4
    )
  )
)
----------------------
(sqrt
(+ (*  ( *
   3 3 4 4
======================
(define square (lambda x (* x x)))
----------------------
(define 
{y 1:}square 
{y 2:}(lambda 
  {y 1:}x 
  {y 2:}(* 
    {y 1:}x 
    {y 2:}x
    )
  )
)
----------------------
(define
square (lambda
       x (*
         x x               
}