<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `QueueHeader` trait in crate `mango_v4`."><title>QueueHeader in mango_v4::state - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../static.files/rustdoc-ba5701c5741a7b69.css"id="mainThemeStyle"><divid="rustdoc-vars"data-root-path="../../"data-static-root-path="../../static.files/"data-current-crate="mango_v4"data-themes=""data-resource-suffix=""data-rustdoc-version="1.70.0 (90c541806 2023-05-31)"data-search-js="search-e077946657036a58.js"data-settings-js="settings-298e1ea74db45b39.js"data-settings-css="settings-7bfb4c59cc6bc502.css"data-theme-light-css="light-0f8c037637f9eb3e.css"data-theme-dark-css="dark-1097f8e92a01e3cf.css"data-theme-ayu-css="ayu-614652228113ac93.css"></div><scriptsrc="../../static.files/storage-62ce34ea385b278a.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../static.files/main-f61008743c98d196.js"></script><noscript><linkrel="stylesheet"media="(prefers-color-scheme:light)"href="../../static.files/light-0f8c037637f9eb3e.css"><linkrel="stylesheet"media="(prefers-color-scheme:dark)"href="../../static.files/dark-1097f8e92a01e3cf.css"><linkrel="stylesheet"href="../../static.files/noscript-13285aec31fa243e.css"></noscript><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button><aclass="logo-container"href="../../mango_v4/index.html"><imgclass="rust-logo"src="../../static.files/rust-logo-151179464ae7ed46.svg"alt="logo"></a><h2></h2></nav><navclass="sidebar"><aclass="logo-container"href="../../mango_v4/index.html"><imgclass="rust-logo"src="../../static.files/rust-logo-151179464ae7ed46.svg"alt="logo"></a><h2class="location"><ahref="#">QueueHeader</a></h2><divclass="sidebar-elems"><section><h3><ahref="#required-associated-types">Required Associated Types</a></h3><ulclass="block"><li><ahref="#associatedtype.Item">Item</a></li></ul><h3><ahref="#required-methods">Required Methods</a></h3><ulclass="block"><li><ahref="#tymethod.count">count</a></li><li><ahref="#tymethod.decr_event_id">decr_event_id</a></li><li><ahref="#tymethod.head">head</a></li><li><ahref="#tymethod.incr_event_id">incr_event_id</a></li><li><ahref="#tymethod.set_count">set_count</a></li><li><ahref="#tymethod.set_head">set_head</a></li></ul><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In mango_v4::state</a></h2></div></nav><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><inputclass="search-input"name="search"aria-label="Ru
type <ahref="#associatedtype.Item"class="associatedtype">Item</a>: Pod + <aclass="trait"href="https://doc.rust-lang.org/1.70.0/core/marker/trait.Copy.html"title="trait core::marker::Copy">Copy</a>;