---
layout: "default"
title: "_Sequence_Type"
description: "Swift documentation for '_Sequence_Type': This protocol is an implementation detail of SequenceType; do."
keywords: "_Sequence_Type,protocol,swift,documentation,generate,Generator"
root: "/v1.2"
---

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

<div class="discussion comment">
    <p>This protocol is an implementation detail of <code>SequenceType</code>; do
not use it directly.</p>

<p>Its requir