//! An ordered map and set for one thread at a time: [`BBTreeMap`] and
//! [`BBTreeSet`], drop-in replacements for std's `BTreeMap` and `BTreeSet`
//! (D1), on the same nodes as [`crate::BBTreeMap`], which threads share.
//! They take `&mut self` to change, lend references into their nodes, and
//! latch nothing.
pub
pub
pub use BBTreeMap;
pub use BBTreeSet;
/// An ordered map based on a B-tree, [`BBTreeMap`], and the types that go
/// with it: the counterpart of `std::collections::btree_map`.
/// An ordered set based on a B-tree, [`BBTreeSet`], and the types that go
/// with it: the counterpart of `std::collections::btree_set`.