oldk1331 wrote:
>
> remove cycle related functions from Tree
>
> As I said in previous mail, cyclic structure are not allowed
> by definition of the tree data structure. Also, these
> functions are not used at all, so removing them will not
> break anything.
At abstract level there are no cycles. But at representation
level cycles could be used to represent infinite trees.
That was probably the intention behind cycle related functions
in Tree. OTOH current cycle functions look clumsy and there
is suspicion that they do not work at all. So removal is
resomable.
--
Waldek Hebisch
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