@e:
To make it work `node != nil` in `contains` (`bbtree.nim#612`) needs to be changed to `not node.isNil`. It's used from both `==` and `<=`, error messages hint to that.
@e:
To make it work `node != nil` in `contains` (`bbtree.nim#612`) needs to be changed to `not node.isNil`. It's used from both `==` and `<=`, error messages hint to that.