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## Utilities for navigating flat trees
```bash
```sh
$ pip install flat-tree
```
Flat Trees are the core data structure that power Hypercore feeds. They
allow us to deterministically represent a tree structure as a vector.
This is particularly useful because vectors map elegantly to disk and
memory.
Because Flat Trees are deterministic and pre-computed, there is no
overhead to using them. In effect this means that Flat Trees are a
specific way of indexing into a vector more than they are their own data
structure. This makes them uniquely efficient and convenient to
implement in a wide range of languages.
> Flat Trees are the core data structure that power Hypercore feeds. They allow
> us to deterministically represent a tree structure as a vector. This is
> particularly useful because vectors map elegantly to disk and memory. Because
> Flat Trees are deterministic and pre-computed, there is no overhead to using
> them. In effect this means that Flat Trees are a specific way of indexing
> into a vector more than they are their own data structure. This makes them
> uniquely efficient and convenient to implement in a wide range of languages.