---
layout: "default"
title: "_StringElementType"
description: "Swift documentation for '_StringElementType': Instances of conforming types are used in internal String."
keywords: "_StringElementType,protocol,swift,documentation"
root: "/v2.2"
---

<div class="intro-declaration"><code class="language-swift">protocol _StringElementType</code></div>

<div class="discussion comment">
    <p>Instances of conforming types are used in internal <code>String</code>
representation.</p>
</div>

<table class="standard