How to print a binary tree of functions/terminals like a lisp statement?

Posted by sieve411 on Stack Overflow See other posts from Stack Overflow or by sieve411
Published on 2010-03-28T23:21:03Z Indexed on 2010/03/28 23:23 UTC
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I have a binary tree of functions and terminal values. I'd like to print this tree as a lisp statement would be represented!

For example, a tree with just a root of "+" and terminals of "2" and 4" would read (+ (2 4)).

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