---
layout: "default"
title: "LazyDropWhileIndex"
description: "Swift documentation for 'LazyDropWhileIndex': A position in a LazyDropWhileCollection or."
keywords: "LazyDropWhileIndex,struct,swift,documentation,base"
root: "/v3.1"
---

<div class="intro-declaration"><code class="language-swift">struct LazyDropWhileIndex&lt;Base where Base : Collection&gt;</code></div>

<div class="discussion comment">
    <p>A position in a <code>LazyDropWhileCollection</code> or
<code>LazyDropWhileBidirectionalCollection<