14bb9c6b1b
This removes the `mark` function from the `tree` interface, in favor of always appending nodes as marked, as that's what's needed in practice, rather than the ability to mutably mark the latest position at arbitrary states of the tree. This removal does mean that a few patterns of interleaved mark and checkpoint operations are no longer being tested in the shared test suite; however, such interleaving of operations is not something that we should need to support anyway. |
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| lib.txt | ||