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Successor and predecessor of max and min values results in error #14

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Beakerboy opened this issue Jan 5, 2024 · 1 comment

Contributor

Beakerboy commented Jan 5, 2024

    bst = RedBlackTree()
    
    bst.insert(55)
    bst.insert(40)
    bst.insert(58)
    bst.insert(42)

    assert bst.successor(bst.search(58)).key is None

while not y.is_null() and x == y.right:
E AttributeError: 'NoneType' object has no attribute 'is_null'

Contributor Author

Beakerboy commented Jan 5, 2024

Should it return None or Node()?

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