On Wed, Jul 27, 2016 at 7:56 PM, Aleksander Alekseev
> While working on some new feature for PostgreSQL (which is still in
> development and is irrelevant in this context) I noticed that current
> RBTree implementation interface is following:
> extern void rb_begin_iterate(RBTree *rb, RBOrderControl ctrl);
> extern RBNode *rb_iterate(RBTree *rb);
> As you see it doesn't allow to do multiple iterations over a single
> tree. I believe it's a major flaw for a general-purpose container.
Can you explain use case where you need it?
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