bors c9b606ed67 Auto merge of #78359 - ssomers:btree_cleanup_mem, r=Mark-Simulacrum
BTreeMap: move generic support functions out of navigate.rs

A preparatory step chipped off #78104, useful in general (if at all).

r? `@Mark-Simulacrum`
2020-10-27 04:01:52 +00:00
..