---
layout: "default"
title: "Types"
description: "Documentation for all classes, structs and enums in the Swift language."
root: "/v2.1"
---

<div class="row">
<div class="col-sm-6">
<ul class="main-list">
<li><a href="/v2.1/type/AnyBidirectionalCollection/">AnyBidirectionalCollection</a></li>
<li><a href="/v2.1/type/AnyBidirectionalIndex/">AnyBidirectionalIndex</a></li>
<li><a href="/v2.1/type/AnyForwardCollection/">AnyForwardCollection</a></li>
<li><a href="/v2.1/type/AnyForwardIndex/">AnyForwardIndex</a