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class Node(object):
# ctor :: a -> [a] -> Node(a)
def __init__(self, value, children=[]):
self.value = value
self.children = children
# is_leaf :: Node(a) -> Boolean
def is_leaf(node):
return len(node.children) == 0
# enumerate :: Node(a) -> Set(List(a))
def enumerate(node):
current = []
result = []
q = []
q.append(node)
while q:
x = q.pop()
print(x.value)
for c in x.children:
q.append(c)
current.append(x.value)
print(current)
if is_leaf(x):
result.append(current)
print("Reseting current")
current = []
return result
node = Node('root', [
Node('a', [
Node('b', [Node('c')]),
Node('c', [Node('b')]),
]),
Node('b', [
Node('a', [Node('c')]),
Node('c', [Node('a')]),
]),
Node('c', [
Node('a', [Node('b')]),
Node('b', [Node('a')]),
])
])
print('----------')
print(enumerate(node))
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