# Module alloc::collections::btree_map 1.0.0[−][src]

A map based on a B-Tree.

## Structs

DrainFilter | Experimental An iterator produced by calling `drain_filter` on BTreeMap.
IntoKeys | Experimental An owning iterator over the keys of a `BTreeMap`.
IntoValues | Experimental An owning iterator over the values of a `BTreeMap`.
BTreeMap | A map based on a B-Tree.
IntoIter | An owning iterator over the entries of a `BTreeMap`.
Iter | An iterator over the entries of a `BTreeMap`.
IterMut | A mutable iterator over the entries of a `BTreeMap`.
Keys | An iterator over the keys of a `BTreeMap`.
OccupiedEntry | A view into an occupied entry in a `BTreeMap`. It is part of the `Entry` enum.
Range | An iterator over a sub-range of entries in a `BTreeMap`.
RangeMut | A mutable iterator over a sub-range of entries in a `BTreeMap`.
VacantEntry | A view into a vacant entry in a `BTreeMap`. It is part of the `Entry` enum.
Values | An iterator over the values of a `BTreeMap`.
ValuesMut | A mutable iterator over the values of a `BTreeMap`.

## Enums

Entry | A view into a single entry in a map, which may either be vacant or occupied.