BtreeMap: superficially refactor root access#74391

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bors merged 2 commits intorust-lang:masterfrom

ssomers:btree_refactor

Jul 16, 2020

Commits on Jul 16, 2020

Clean up or comment every unwrap in BTreeMap's main code.
ssomers
committed
Separate off BTreeMap support functions and loose their irrelevant bounds
ssomers
committed