---
title: 'Type System Overview'
description: 'Type System Overview — Zena documentation.'
status: Draft
statusType: warning
---

::: warning Placeholder
This page hasn't been written yet. The headings below are the planned outline —
see `src/_data/sidebar.js` for the full content plan.
:::

## The type hierarchy

<!-- TODO: the type hierarchy -->

## Assignability

<!-- TODO: assignability -->

## Nominal versus structural

<!-- TODO: nominal versus structural -->

## any, anyref, and never

<!-- TODO: any, anyref, and never -->
