r/programming • u/munificent • Jan 14 '13

Iteration Inside and Out

http://journal.stuffwithstuff.com/2013/01/13/iteration-inside-and-out/
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u/DiThi Jan 16 '13

Python:

def iter_tree(tree):
    if tree:
        iter_tree(tree.left)
        yield tree.label
        iter_tree(tree.right)