songbird/next/static.files/main-b6a35c53.js

"use strict";window.RUSTDOC_TOOLTIP_HOVER_MS=300;window.RUSTDOC_TOOLTIP_HOVER_EXIT_MS=450;function resourcePath(basename,extension){return getVar("root-path")+basename+getVar("resource-suffix")+extension;}function hideMain(){addClass(document.getElementById(MAIN_ID),"hidden");const toggle=document.getElementById("toggle-all-docs");if(toggle){toggle.setAttribute("disabled","disabled");}}function showMain(){const main=document.getElementById(MAIN_ID);if(!main){return;}removeClass(main,"hidden");const mainHeading=main.querySelector(".main-heading");if(mainHeading&&window.searchState.rustdocToolbar){if(window.searchState.rustdocToolbar.parentElement){window.searchState.rustdocToolbar.parentElement.removeChild(window.searchState.rustdocToolbar,);}mainHeading.appendChild(window.searchState.rustdocToolbar);}const toggle=document.getElementById("toggle-all-docs");if(toggle){toggle.removeAttribute("disabled");}}window.rootPath=getVar("root-path");window.currentCrate=getVar("current-crate");function getVirtualKey(ev){if("key"in ev&&typeof ev.key!=="undefined"){return ev.key;}const c=ev.charCode||ev.keyCode;if(c===27){return"Escape";}return String.fromCharCode(c);}const MAIN_ID="main-content";const ALTERNATIVE_DISPLAY_ID="alternative-display";const NOT_DISPLAYED_ID="not-displayed";function getNakedUrl(){return window.location.href.split("?")[0].split("#")[0];}function insertAfter(newNode,referenceNode){referenceNode.parentNode.insertBefore(newNode,referenceNode.nextSibling);}function getOrCreateSection(id,classes){let el=document.getElementById(id);if(!el){el=document.createElement("section");el.id=id;el.className=classes;insertAfter(el,document.getElementById(MAIN_ID));}return el;}function getAlternativeDisplayElem(){return getOrCreateSection(ALTERNATIVE_DISPLAY_ID,"content hidden");}function getNotDisplayedElem(){return getOrCreateSection(NOT_DISPLAYED_ID,"hidden");}function switchDisplayedElement(elemToDisplay){const el=getAlternativeDisplayElem();if(el.children.length>0){getNotDisplayedElem().appendChild(el.firstElementChild);}if(elemToDisplay===null){addClass(el,"hidden");showMain();return;}el.appendChild(elemToDisplay);hideMain();removeClass(el,"hidden");const mainHeading=elemToDisplay.querySelector(".main-heading");if(mainHeading&&window.searchState.rustdocToolbar){if(window.searchState.rustdocToolbar.parentElement){window.searchState.rustdocToolbar.parentElement.removeChild(window.searchState.rustdocToolbar,);}mainHeading.appendChild(window.searchState.rustdocToolbar);}}function browserSupportsHistoryApi(){return window.history&&typeof window.history.pushState==="function";}function preLoadCss(cssUrl){const link=document.createElement("link");link.href=cssUrl;link.rel="preload";link.as="style";document.getElementsByTagName("head")[0].appendChild(link);}(function(){const isHelpPage=window.location.pathname.endsWith("/help.html");function loadScript(url,errorCallback){const script=document.createElement("script");script.src=url;if(errorCallback!==undefined){script.onerror=errorCallback;}document.head.append(script);}onEachLazy(document.querySelectorAll(".settings-menu"),settingsMenu=>{settingsMenu.querySelector("a").onclick=event=>{if(event.ctrlKey||event.altKey||event.metaKey){return;}window.hideAllModals(false);addClass(settingsMenu,"rotate");event.preventDefault();loadScript(getVar("static-root-path")+getVar("settings-js"));setTimeout(()=>{const themes=getVar("themes").split(",");for(const theme of themes){if(theme!==""){preLoadCss(getVar("root-path")+theme+".css");}}},0);};});window.searchState={rustdocToolbar:document.querySelector("rustdoc-toolbar"),loadingText:"Loading search results...",inputElement:()=>{let el=document.getElementsByClassName("search-input")[0];if(!el){const out=nonnull(nonnull(window.searchState.outputElement()).parentElement);const hdr=document.createElement("div");hdr.className="main-heading search-results-main-heading";const params=window.searchState.getQueryStringParams();const autofocusParam=params.search===""?"autofocus":"";hdr.innerHTML=`<nav class="sub">
                    <form class="search-form loading">
                        <span></span> <!-- This empty span is a hacky fix for Safari: see #93184 -->
                        <input
                            ${autofocusParam}
                            class="search-input"
                            name="search"
                            aria-label="Run search in the documentation"
                            autocomplete="off"
                            spellcheck="false"
                            placeholder="Type ‘S’ or ‘/’ to search, ‘?’ for more options…"
                            type="search">
                    </form>
                </nav><div class="search-switcher"></div>`;out.insertBefore(hdr,window.searchState.outputElement());el=document.getElementsByClassName("search-input")[0];}if(el instanceof HTMLInputElement){return el;}return null;},containerElement:()=>{let el=document.getElementById("search");if(!el){el=document.createElement("section");el.id="search";getNotDisplayedElem().appendChild(el);}return el;},outputElement:()=>{const container=window.searchState.containerElement();if(!container){return null;}let el=container.querySelector(".search-out");if(!el){el=document.createElement("div");el.className="search-out";container.appendChild(el);}return el;},title:document.title,titleBeforeSearch:document.title,timeout:null,currentTab:0,focusedByTab:[null,null,null],clearInputTimeout:()=>{if(window.searchState.timeout!==null){clearTimeout(window.searchState.timeout);window.searchState.timeout=null;}},isDisplayed:()=>{const container=window.searchState.containerElement();if(!container){return false;}return!!container.parentElement&&container.parentElement.id===ALTERNATIVE_DISPLAY_ID;},focus:()=>{const inputElement=window.searchState.inputElement();window.searchState.showResults();if(inputElement){inputElement.focus();requestAnimationFrame(()=>inputElement.focus());}},defocus:()=>{nonnull(window.searchState.inputElement()).blur();},toggle:()=>{if(window.searchState.isDisplayed()){window.searchState.defocus();window.searchState.hideResults();}else{window.searchState.focus();}},showResults:()=>{document.title=window.searchState.title;if(window.searchState.isDisplayed()){return;}const search=window.searchState.containerElement();switchDisplayedElement(search);const btn=document.querySelector("#search-button a");if(browserSupportsHistoryApi()&&btn instanceof HTMLAnchorElement&&window.searchState.getQueryStringParams().search===undefined){history.pushState(null,"",btn.href);}const btnLabel=document.querySelector("#search-button a span.label");if(btnLabel){btnLabel.innerHTML="Exit";}},removeQueryParameters:()=>{document.title=window.searchState.titleBeforeSearch;if(browserSupportsHistoryApi()){history.replaceState(null,"",getNakedUrl()+window.location.hash);}},hideResults:()=>{switchDisplayedElement(null);window.searchState.removeQueryParameters();const btnLabel=document.querySelector("#search-button a span.label");if(btnLabel){btnLabel.innerHTML="Search";}},getQueryStringParams:()=>{const params={};window.location.search.substring(1).split("&").map(s=>{const pair=s.split("=").map(x=>x.replace(/\+/g," "));params[decodeURIComponent(pair[0])]=typeof pair[1]==="undefined"?null:decodeURIComponent(pair[1]);});return params;},setup:()=>{let searchLoaded=false;const search_input=window.searchState.inputElement();if(!search_input){return;}function sendSearchForm(){document.getElementsByClassName("search-form")[0].submit();}function loadSearch(){if(!searchLoaded){searchLoaded=true;window.rr_=data=>{window.searchIndex=data;};if(!window.StringdexOnload){window.StringdexOnload=[];}window.StringdexOnload.push(()=>{loadScript(getVar("static-root-path")+getVar("search-js"),sendSearchForm,);});loadScript(getVar("static-root-path")+getVar("stringdex-js"),sendSearchForm);loadScript(resourcePath("search.index/root",".js"),sendSearchForm);}}search_input.addEventListener("focus",()=>{loadSearch();});const btn=document.getElementById("search-button");if(btn){btn.onclick=event=>{if(event.ctrlKey||event.altKey||event.metaKey){return;}event.preventDefault();window.searchState.toggle();loadSearch();};}if(browserSupportsHistoryApi()){const previousTitle=document.title;window.addEventListener("popstate",e=>{const params=window.searchState.getQueryStringParams();document.title=previousTitle;const inputElement=window.searchState.inputElement();if(params.search!==undefined&&inputElement!==null){loadSearch();inputElement.value=params.search;e.preventDefault();window.searchState.showResults();if(params.search===""){window.searchState.focus();}}else{window.searchState.hideResults();}});}window.onpageshow=()=>{const inputElement=window.searchState.inputElement();const qSearch=window.searchState.getQueryStringParams().search;if(qSearch!==undefined&&inputElement!==null){if(inputElement.value===""){inputElement.value=qSearch;}window.searchState.showResults();if(qSearch===""){loadSearch();window.searchState.focus();}}else{window.searchState.hideResults();}};const params=window.searchState.getQueryStringParams();if(params.search!==undefined){window.searchState.setLoadingSearch();loadSearch();}},setLoadingSearch:()=>{const search=window.searchState.outputElement();nonnull(search).innerHTML="<h3 class=\"search-loading\">"+window.searchState.loadingText+"</h3>";window.searchState.showResults();},descShards:new Map(),loadDesc:async function({descShard,descIndex}){if(descShard.promise===null){descShard.promise=new Promise((resolve,reject)=>{descShard.resolve=resolve;const ds=descShard;const fname=`${ds.crate}-desc-${ds.shard}-`;const url=resourcePath(`search.desc/${descShard.crate}/${fname}`,".js",);loadScript(url,reject);});}const list=await descShard.promise;return list[descIndex];},loadedDescShard:function(crate,shard,data){this.descShards.get(crate)[shard].resolve(data.split("\n"));},};const toggleAllDocsId="toggle-all-docs";let savedHash="";function handleHashes(ev){if(ev!==null&&window.searchState.isDisplayed()&&ev.newURL){switchDisplayedElement(null);const hash=ev.newURL.slice(ev.newURL.indexOf("#")+1);if(browserSupportsHistoryApi()){history.replaceState(null,"",getNakedUrl()+window.location.search+"#"+hash);}const elem=document.getElementById(hash);if(elem){elem.scrollIntoView();}}const pageId=window.location.hash.replace(/^#/,"");if(savedHash!==pageId){savedHash=pageId;if(pageId!==""){expandSection(pageId);}}if(savedHash.startsWith("impl-")){const splitAt=savedHash.indexOf("/");if(splitAt!==-1){const implId=savedHash.slice(0,splitAt);const assocId=savedHash.slice(splitAt+1);const implElems=document.querySelectorAll(`details > summary > section[id^="${implId}"]`,);onEachLazy(implElems,implElem=>{const numbered=/^(.+?)-([0-9]+)$/.exec(implElem.id);if(implElem.id!==implId&&(!numbered||numbered[1]!==implId)){return false;}return onEachLazy(implElem.parentElement.parentElement.querySelectorAll(`[id^="${assocId}"]`),item=>{const numbered=/^(.+?)-([0-9]+)$/.exec(item.id);if(item.id===assocId||(numbered&&numbered[1]===assocId)){openParentDetails(item);item.scrollIntoView();setTimeout(()=>{window.location.replace("#"+item.id);},0);return true;}},);});}}}function onHashChange(ev){hideSidebar();handleHashes(ev);}function openParentDetails(elem){while(elem){if(elem.tagName==="DETAILS"){elem.open=true;}elem=elem.parentElement;}}function expandSection(id){openParentDetails(document.getElementById(id));}function handleEscape(ev){window.searchState.clearInputTimeout();window.searchState.hideResults();ev.preventDefault();window.searchState.defocus();window.hideAllModals(true);}function handleShortcut(ev){const disableShortcuts=getSettingValue("disable-shortcuts")==="true";if(ev.ctrlKey||ev.altKey||ev.metaKey||disableShortcuts){return;}if(document.activeElement&&document.activeElement.tagName==="INPUT"&&document.activeElement.type!=="checkbox"&&document.activeElement.type!=="radio"){switch(getVirtualKey(ev)){case"Escape":handleEscape(ev);break;}}else{switch(getVirtualKey(ev)){case"Escape":handleEscape(ev);break;case"s":case"S":case"/":ev.preventDefault();window.searchState.focus();break;case"+":ev.preventDefault();expandAllDocs();break;case"-":ev.preventDefault();collapseAllDocs(false);break;case"_":ev.preventDefault();collapseAllDocs(true);break;case"?":showHelp();break;default:break;}}}document.addEventListener("keypress",handleShortcut);document.addEventListener("keydown",handleShortcut);function addSidebarItems(){if(!window.SIDEBAR_ITEMS){return;}const sidebar=document.getElementById("rustdoc-modnav");function block(shortty,id,longty){const filtered=window.SIDEBAR_ITEMS[shortty];if(!filtered){return;}const modpath=hasClass(document.querySelector(".rustdoc"),"mod")?"../":"";const h3=document.createElement("h3");h3.innerHTML=`<a href="${modpath}index.html#${id}">${longty}</a>`;const ul=document.createElement("ul");ul.className="block "+shortty;for(const name of filtered){let path;if(shortty==="mod"){path=`${modpath}${name}/index.html`;}else{path=`${modpath}${shortty}.${name}.html`;}let current_page=document.location.href.toString();if(current_page.endsWith("/")){current_page+="index.html";}const link=document.createElement("a");link.href=path;link.textContent=name;const li=document.createElement("li");if(link.href===current_page){li.classList.add("current");}li.appendChild(link);ul.appendChild(li);}sidebar.appendChild(h3);sidebar.appendChild(ul);}if(sidebar){block("primitive","primitives","Primitive Types");block("mod","modules","Modules");block("macro","macros","Macros");block("struct","structs","Structs");block("enum","enums","Enums");block("constant","constants","Constants");block("static","static","Statics");block("trait","traits","Traits");block("fn","functions","Functions");block("type","types","Type Aliases");block("union","unions","Unions");block("foreigntype","foreign-types","Foreign Types");block("keyword","keywords","Keywords");block("attr","attributes","Attribute Macros");block("derive","derives","Derive Macros");block("traitalias","trait-aliases","Trait Aliases");}}window.register_implementors=imp=>{const implementors=document.getElementById("implementors-list");const synthetic_implementors=document.getElementById("synthetic-implementors-list");const inlined_types=new Set();const TEXT_IDX=0;const SYNTHETIC_IDX=1;const TYPES_IDX=2;if(synthetic_implementors){onEachLazy(synthetic_implementors.getElementsByClassName("impl"),el=>{const aliases=el.getAttribute("data-aliases");if(!aliases){return;}aliases.split(",").forEach(alias=>{inlined_types.add(alias);});});}let currentNbImpls=implementors.getElementsByClassName("impl").length;const traitName=document.querySelector(".main-heading h1 > .trait").textContent;const baseIdName="impl-"+traitName+"-";const libs=Object.getOwnPropertyNames(imp);const script=document.querySelector("script[data-ignore-extern-crates]");const ignoreExternCrates=new Set((script?script.getAttribute("data-ignore-extern-crates"):"").split(","),);for(const lib of libs){if(lib===window.currentCrate||ignoreExternCrates.has(lib)){continue;}const structs=imp[lib];struct_loop:for(const struct of structs){const list=struct[SYNTHETIC_IDX]?synthetic_implementors:implementors;if(struct[SYNTHETIC_IDX]){for(const struct_type of struct[TYPES_IDX]){if(inlined_types.has(struct_type)){continue struct_loop;}inlined_types.add(struct_type);}}const code=document.createElement("h3");code.innerHTML=struct[TEXT_IDX];addClass(code,"code-header");onEachLazy(code.getElementsByTagName("a"),elem=>{const href=elem.getAttribute("href");if(href&&!href.startsWith("#")&&!/^(?:[a-z+]+:)?\/\//.test(href)){elem.setAttribute("href",window.rootPath+href);}});const currentId=baseIdName+currentNbImpls;const anchor=document.createElement("a");anchor.href="#"+currentId;addClass(anchor,"anchor");const display=document.createElement("div");display.id=currentId;addClass(display,"impl");display.appendChild(anchor);display.appendChild(code);list.appendChild(display);currentNbImpls+=1;}}};if(window.pending_implementors){window.register_implementors(window.pending_implementors);}window.register_type_impls=imp=>{if(!imp||!imp[window.currentCrate]){return;}window.pending_type_impls=undefined;const idMap=new Map();let implementations=document.getElementById("implementations-list");let trait_implementations=document.getElementById("trait-implementations-list");let trait_implementations_header=document.getElementById("trait-implementations");const script=document.querySelector("script[data-self-path]");const selfPath=script?script.getAttribute("data-self-path"):null;const mainContent=document.querySelector("#main-content");const sidebarSection=document.querySelector(".sidebar section");let methods=document.querySelector(".sidebar .block.method");let associatedTypes=document.querySelector(".sidebar .block.associatedtype");let associatedConstants=document.querySelector(".sidebar .block.associatedconstant");let sidebarTraitList=document.querySelector(".sidebar .block.trait-implementation");for(const impList of imp[window.currentCrate]){const types=impList.slice(2);const text=impList[0];const isTrait=impList[1]!==0;const traitName=impList[1];if(types.indexOf(selfPath)===-1){continue;}let outputList=isTrait?trait_implementations:implementations;if(outputList===null){const outputListName=isTrait?"Trait Implementations":"Implementations";const outputListId=isTrait?"trait-implementations-list":"implementations-list";const outputListHeaderId=isTrait?"trait-implementations":"implementations";const outputListHeader=document.createElement("h2");outputListHeader.id=outputListHeaderId;outputListHeader.innerText=outputListName;outputList=document.createElement("div");outputList.id=outputListId;if(isTrait){const link=document.createElement("a");link.href=`#${outputListHeaderId}`;link.innerText="Trait Implementations";const h=document.createElement("h3");h.appendChild(link);trait_implementations=outputList;trait_implementations_header=outputListHeader;sidebarSection.appendChild(h);sidebarTraitList=document.createElement("ul");sidebarTraitList.className="block trait-implementation";sidebarSection.appendChild(sidebarTraitList);mainContent.appendChild(outputListHeader);mainContent.appendChild(outputList);}else{implementations=outputList;if(trait_implementations){mainContent.insertBefore(outputListHeader,trait_implementations_header);mainContent.insertBefore(outputList,trait_implementations_header);}else{const mainContent=document.querySelector("#main-content");mainContent.appendChild(outputListHeader);mainContent.appendChild(outputList);}}}const template=document.createElement("template");template.innerHTML=text;onEachLazy(template.content.querySelectorAll("a"),elem=>{const href=elem.getAttribute("href");if(href&&!href.startsWith("#")&&!/^(?:[a-z+]+:)?\/\//.test(href)){elem.setAttribute("href",window.rootPath+href);}});onEachLazy(template.content.querySelectorAll("[id]"),el=>{let i=0;if(idMap.has(el.id)){i=idMap.get(el.id);}else if(document.getElementById(el.id)){i=1;while(document.getElementById(`${el.id}-${2 * i}`)){i=2*i;}while(document.getElementById(`${el.id}-${i}`)){i+=1;}}if(i!==0){const oldHref=`#${el.id}`;const newHref=`#${el.id}-${i}`;el.id=`${el.id}-${i}`;onEachLazy(template.content.querySelectorAll("a[href]"),link=>{if(link.getAttribute("href")===oldHref){link.href=newHref;}});}idMap.set(el.id,i+1);});const templateAssocItems=template.content.querySelectorAll("section.tymethod, "+"section.method, section.associatedtype, section.associatedconstant");if(isTrait){const li=document.createElement("li");const a=document.createElement("a");a.href=`#${template.content.querySelector(".impl").id}`;a.textContent=traitName;li.appendChild(a);sidebarTraitList.append(li);}else{onEachLazy(templateAssocItems,item=>{let block=hasClass(item,"associatedtype")?associatedTypes:(hasClass(item,"associatedconstant")?associatedConstants:(methods));if(!block){const blockTitle=hasClass(item,"associatedtype")?"Associated Types":(hasClass(item,"associatedconstant")?"Associated Constants":("Methods"));const blockClass=hasClass(item,"associatedtype")?"associatedtype":(hasClass(item,"associatedconstant")?"associatedconstant":("method"));const blockHeader=document.createElement("h3");const blockLink=document.createElement("a");blockLink.href="#implementations";blockLink.innerText=blockTitle;blockHeader.appendChild(blockLink);block=document.createElement("ul");block.className=`block ${blockClass}`;const insertionReference=methods||sidebarTraitList;if(insertionReference){const insertionReferenceH=insertionReference.previousElementSibling;sidebarSection.insertBefore(blockHeader,insertionReferenceH);sidebarSection.insertBefore(block,insertionReferenceH);}else{sidebarSection.appendChild(blockHeader);sidebarSection.appendChild(block);}if(hasClass(item,"associatedtype")){associatedTypes=block;}else if(hasClass(item,"associatedconstant")){associatedConstants=block;}else{methods=block;}}const li=document.createElement("li");const a=document.createElement("a");a.innerText=item.id.split("-")[0].split(".")[1];a.href=`#${item.id}`;li.appendChild(a);block.appendChild(li);});}outputList.appendChild(template.content);}for(const list of[methods,associatedTypes,associatedConstants,sidebarTraitList]){if(!list){continue;}const newChildren=Array.prototype.slice.call(list.children);newChildren.sort((a,b)=>{const aI=a.innerText;const bI=b.innerText;return aI<bI?-1:aI>bI?1:0;});list.replaceChildren(...newChildren);}};if(window.pending_type_impls){window.register_type_impls(window.pending_type_impls);}function addSidebarCrates(){if(!window.ALL_CRATES){return;}const sidebarElems=document.getElementById("rustdoc-modnav");if(!sidebarElems){return;}const h3=document.createElement("h3");h3.innerHTML="Crates";const ul=document.createElement("ul");ul.className="block crate";for(const crate of window.ALL_CRATES){const link=document.createElement("a");link.href=window.rootPath+crate+"/index.html";link.textContent=crate;const li=document.createElement("li");if(window.rootPath!=="./"&&crate===window.currentCrate){li.className="current";}li.appendChild(link);ul.appendChild(li);}sidebarElems.appendChild(h3);sidebarElems.appendChild(ul);}function expandAllDocs(){const innerToggle=document.getElementById(toggleAllDocsId);removeClass(innerToggle,"will-expand");onEachLazy(document.getElementsByClassName("toggle"),e=>{if(!hasClass(e,"type-contents-toggle")&&!hasClass(e,"more-examples-toggle")){e.open=true;}});innerToggle.children[0].innerText="Summary";}function collapseAllDocs(collapseImpls){const innerToggle=document.getElementById(toggleAllDocsId);addClass(innerToggle,"will-expand");onEachLazy(document.getElementsByClassName("toggle"),e=>{if((collapseImpls||e.parentNode.id!=="implementations-list")||(!hasClass(e,"implementors-toggle")&&!hasClass(e,"type-contents-toggle"))){e.open=false;}});innerToggle.children[0].innerText="Show all";}function toggleAllDocs(ev){const innerToggle=document.getElementById(toggleAllDocsId);if(!innerToggle){return;}if(hasClass(innerToggle,"will-expand")){expandAllDocs();}else{collapseAllDocs(ev!==undefined&&ev.shiftKey);}}(function(){const toggles=document.getElementById(toggleAllDocsId);if(toggles){toggles.onclick=toggleAllDocs;}const hideMethodDocs=getSettingValue("auto-hide-method-docs")==="true";const hideImplementations=getSettingValue("auto-hide-trait-implementations")==="true";const hideLargeItemContents=getSettingValue("auto-hide-large-items")!=="false";function setImplementorsTogglesOpen(id,open){const list=document.getElementById(id);if(list!==null){onEachLazy(list.getElementsByClassName("implementors-toggle"),e=>{e.open=open;});}}if(hideImplementations){setImplementorsTogglesOpen("trait-implementations-list",false);setImplementorsTogglesOpen("blanket-implementations-list",false);}onEachLazy(document.getElementsByClassName("toggle"),e=>{if(!hideLargeItemContents&&hasClass(e,"type-contents-toggle")){e.open=true;}if(hideMethodDocs&&hasClass(e,"method-toggle")){e.open=false;}});}());window.rustdoc_add_line_numbers_to_examples=()=>{function generateLine(nb){return`<span data-nosnippet>${nb}</span>`;}onEachLazy(document.querySelectorAll(".rustdoc:not(.src) :not(.scraped-example) > .example-wrap > pre > code",),code=>{if(hasClass(code.parentElement.parentElement,"hide-lines")){removeClass(code.parentElement.parentElement,"hide-lines");return;}const lines=code.innerHTML.split("\n");const digits=(lines.length+"").length;code.innerHTML=lines.map((line,index)=>generateLine(index+1)+line).join("\n");addClass(code.parentElement.parentElement,`digits-${digits}`);});};window.rustdoc_remove_line_numbers_from_examples=()=>{onEachLazy(document.querySelectorAll(".rustdoc:not(.src) :not(.scraped-example) > .example-wrap"),x=>addClass(x,"hide-lines"),);};if(getSettingValue("line-numbers")==="true"){window.rustdoc_add_line_numbers_to_examples();}function showSidebar(){window.hideAllModals(false);const sidebar=document.getElementsByClassName("sidebar")[0];addClass(sidebar,"shown");}function hideSidebar(){const sidebar=document.getElementsByClassName("sidebar")[0];removeClass(sidebar,"shown");}window.addEventListener("resize",()=>{if(window.CURRENT_TOOLTIP_ELEMENT){const base=window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE;const force_visible=base.TOOLTIP_FORCE_VISIBLE;hideTooltip(false);if(force_visible){showTooltip(base);base.TOOLTIP_FORCE_VISIBLE=true;}}});const mainElem=document.getElementById(MAIN_ID);if(mainElem){mainElem.addEventListener("click",hideSidebar);}onEachLazy(document.querySelectorAll("a[href^='#']"),el=>{el.addEventListener("click",()=>{expandSection(el.hash.slice(1));hideSidebar();});});onEachLazy(document.querySelectorAll(".toggle > summary:not(.hideme)"),el=>{el.addEventListener("click",e=>{if(!e.target.matches("summary, a, a *")){e.preventDefault();}});});function showTooltip(e){const notable_ty=e.getAttribute("data-notable-ty");if(!window.NOTABLE_TRAITS&&notable_ty){const data=document.getElementById("notable-traits-data");if(data){window.NOTABLE_TRAITS=JSON.parse(data.innerText);}else{throw new Error("showTooltip() called with notable without any notable traits!");}}if(window.CURRENT_TOOLTIP_ELEMENT&&window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE===e){clearTooltipHoverTimeout(window.CURRENT_TOOLTIP_ELEMENT);return;}window.hideAllModals(false);const wrapper=document.createElement("div");if(notable_ty){wrapper.innerHTML="<div class=\"content\">"+window.NOTABLE_TRAITS[notable_ty]+"</div>";}else{const ttl=e.getAttribute("title");if(ttl!==null){e.setAttribute("data-title",ttl);e.removeAttribute("title");}const dttl=e.getAttribute("data-title");if(dttl!==null){const titleContent=document.createElement("div");titleContent.className="content";titleContent.appendChild(document.createTextNode(dttl));wrapper.appendChild(titleContent);}}wrapper.className="tooltip popover";const focusCatcher=document.createElement("div");focusCatcher.setAttribute("tabindex","0");focusCatcher.onfocus=hideTooltip;wrapper.appendChild(focusCatcher);const pos=e.getBoundingClientRect();wrapper.style.top=(pos.top+window.scrollY+pos.height)+"px";wrapper.style.left=0;wrapper.style.right="auto";wrapper.style.visibility="hidden";document.body.appendChild(wrapper);const wrapperPos=wrapper.getBoundingClientRect();const finalPos=pos.left+window.scrollX-wrapperPos.width+24;if(finalPos>0){wrapper.style.left=finalPos+"px";}else{wrapper.style.setProperty("--popover-arrow-offset",(wrapperPos.right-pos.right+4)+"px",);}wrapper.style.visibility="";window.CURRENT_TOOLTIP_ELEMENT=wrapper;window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE=e;clearTooltipHoverTimeout(window.CURRENT_TOOLTIP_ELEMENT);wrapper.onpointerenter=ev=>{if(ev.pointerType!=="mouse"){return;}clearTooltipHoverTimeout(e);};wrapper.onpointerleave=ev=>{if(ev.pointerType!=="mouse"||!(ev.relatedTarget instanceof HTMLElement)){return;}if(!e.TOOLTIP_FORCE_VISIBLE&&!e.contains(ev.relatedTarget)){setTooltipHoverTimeout(e,false);addClass(wrapper,"fade-out");}};}function setTooltipHoverTimeout(element,show){clearTooltipHoverTimeout(element);if(!show&&!window.CURRENT_TOOLTIP_ELEMENT){return;}if(show&&window.CURRENT_TOOLTIP_ELEMENT){return;}if(window.CURRENT_TOOLTIP_ELEMENT&&window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE!==element){return;}element.TOOLTIP_HOVER_TIMEOUT=setTimeout(()=>{if(show){showTooltip(element);}else if(!element.TOOLTIP_FORCE_VISIBLE){hideTooltip(false);}},show?window.RUSTDOC_TOOLTIP_HOVER_MS:window.RUSTDOC_TOOLTIP_HOVER_EXIT_MS);}function clearTooltipHoverTimeout(element){if(element.TOOLTIP_HOVER_TIMEOUT!==undefined){removeClass(window.CURRENT_TOOLTIP_ELEMENT,"fade-out");clearTimeout(element.TOOLTIP_HOVER_TIMEOUT);delete element.TOOLTIP_HOVER_TIMEOUT;}}function tooltipBlurHandler(event){if(window.CURRENT_TOOLTIP_ELEMENT&&!window.CURRENT_TOOLTIP_ELEMENT.contains(document.activeElement)&&!window.CURRENT_TOOLTIP_ELEMENT.contains(event.relatedTarget)&&!window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.contains(document.activeElement)&&!window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.contains(event.relatedTarget)){setTimeout(()=>hideTooltip(false),0);}}function hideTooltip(focus){if(window.CURRENT_TOOLTIP_ELEMENT){if(window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.TOOLTIP_FORCE_VISIBLE){if(focus){window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.focus();}window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.TOOLTIP_FORCE_VISIBLE=false;}document.body.removeChild(window.CURRENT_TOOLTIP_ELEMENT);clearTooltipHoverTimeout(window.CURRENT_TOOLTIP_ELEMENT);window.CURRENT_TOOLTIP_ELEMENT=null;}}onEachLazy(document.getElementsByClassName("tooltip"),e=>{e.onclick=()=>{e.TOOLTIP_FORCE_VISIBLE=e.TOOLTIP_FORCE_VISIBLE?false:true;if(window.CURRENT_TOOLTIP_ELEMENT&&!e.TOOLTIP_FORCE_VISIBLE){hideTooltip(true);}else{showTooltip(e);window.CURRENT_TOOLTIP_ELEMENT.setAttribute("tabindex","0");window.CURRENT_TOOLTIP_ELEMENT.focus();window.CURRENT_TOOLTIP_ELEMENT.onblur=tooltipBlurHandler;}return false;};e.onpointerenter=ev=>{if(ev.pointerType!=="mouse"){return;}setTooltipHoverTimeout(e,true);};e.onpointermove=ev=>{if(ev.pointerType!=="mouse"){return;}setTooltipHoverTimeout(e,true);};e.onpointerleave=ev=>{if(ev.pointerType!=="mouse"){return;}if(!e.TOOLTIP_FORCE_VISIBLE&&window.CURRENT_TOOLTIP_ELEMENT&&!window.CURRENT_TOOLTIP_ELEMENT.contains(ev.relatedTarget)){setTooltipHoverTimeout(e,false);addClass(window.CURRENT_TOOLTIP_ELEMENT,"fade-out");}};});const sidebar_menu_toggle=document.getElementsByClassName("sidebar-menu-toggle")[0];if(sidebar_menu_toggle){sidebar_menu_toggle.addEventListener("click",()=>{const sidebar=document.getElementsByClassName("sidebar")[0];if(!hasClass(sidebar,"shown")){showSidebar();}else{hideSidebar();}});}function helpBlurHandler(event){const isInPopover=onEachLazy(document.querySelectorAll(".settings-menu, .help-menu"),menu=>{return menu.contains(document.activeElement)||menu.contains(event.relatedTarget);},);if(!isInPopover){window.hidePopoverMenus();}}function buildHelpMenu(){const book_info=document.createElement("span");const drloChannel=`https://doc.rust-lang.org/${getVar("channel")}`;book_info.className="top";book_info.innerHTML=`You can find more information in \
<a href="${drloChannel}/rustdoc/">the rustdoc book</a>.`;const shortcuts=[["?","Show this help dialog"],["S / /","Focus the search field"],["↑","Move up in search results"],["↓","Move down in search results"],["← / →","Switch result tab (when results focused)"],["&#9166;","Go to active search result"],["+","Expand all sections"],["-","Collapse all sections"],["_","Collapse all sections, including impl blocks"],].map(x=>"<dt>"+x[0].split(" ").map((y,index)=>((index&1)===0?"<kbd>"+y+"</kbd>":" "+y+" ")).join("")+"</dt><dd>"+x[1]+"</dd>").join("");const div_shortcuts=document.createElement("div");addClass(div_shortcuts,"shortcuts");div_shortcuts.innerHTML="<h2>Keyboard Shortcuts</h2><dl>"+shortcuts+"</dl></div>";const infos=[`For a full list of all search features, take a look \
             <a href="${drloChannel}/rustdoc/read-documentation/search.html">here</a>.`,"Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to \
             restrict the search to a given item kind.","Accepted kinds are: <code>fn</code>, <code>mod</code>, <code>struct</code>, \
             <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, \
             and <code>const</code>.","Search functions by type signature (e.g., <code>vec -&gt; usize</code> or \
             <code>-&gt; vec</code> or <code>String, enum:Cow -&gt; bool</code>)","You can look for items with an exact name by putting double quotes around \
             your request: <code>\"string\"</code>",`Look for functions that accept or return \
              <a href="${drloChannel}/std/primitive.slice.html">slices</a> and \
              <a href="${drloChannel}/std/primitive.array.html">arrays</a> by writing square \
              brackets (e.g., <code>-&gt; [u8]</code> or <code>[] -&gt; Option</code>)`,"Look for items inside another one by searching for a path: <code>vec::Vec</code>",].map(x=>"<p>"+x+"</p>").join("");const div_infos=document.createElement("div");addClass(div_infos,"infos");div_infos.innerHTML="<h2>Search Tricks</h2>"+infos;const rustdoc_version=document.createElement("span");rustdoc_version.className="bottom";const rustdoc_version_code=document.createElement("code");rustdoc_version_code.innerText="rustdoc "+getVar("rustdoc-version");rustdoc_version.appendChild(rustdoc_version_code);const container=document.createElement("div");if(!isHelpPage){container.className="popover content";}container.id="help";const side_by_side=document.createElement("div");side_by_side.className="side-by-side";side_by_side.appendChild(div_shortcuts);side_by_side.appendChild(div_infos);container.appendChild(book_info);container.appendChild(side_by_side);container.appendChild(rustdoc_version);if(isHelpPage){const help_section=document.createElement("section");help_section.appendChild(container);document.getElementById("main-content").appendChild(help_section);}else{onEachLazy(document.getElementsByClassName("help-menu"),menu=>{if(menu.offsetWidth!==0){menu.appendChild(container);container.onblur=helpBlurHandler;menu.onblur=helpBlurHandler;menu.children[0].onblur=helpBlurHandler;return true;}});}return container;}window.hideAllModals=switchFocus=>{hideSidebar();window.hidePopoverMenus();hideTooltip(switchFocus);};window.hidePopoverMenus=()=>{onEachLazy(document.querySelectorAll(".settings-menu .popover"),elem=>{elem.style.display="none";});onEachLazy(document.querySelectorAll(".help-menu .popover"),elem=>{elem.parentElement.removeChild(elem);});};function showHelp(){window.hideAllModals(false);onEachLazy(document.querySelectorAll(".help-menu a"),menu=>{if(menu.offsetWidth!==0){menu.focus();return true;}});buildHelpMenu();}if(isHelpPage){buildHelpMenu();}else{onEachLazy(document.querySelectorAll(".help-menu > a"),helpLink=>{helpLink.addEventListener("click",event=>{if(event.ctrlKey||event.altKey||event.metaKey){return;}event.preventDefault();if(document.getElementById("help")){window.hidePopoverMenus();}else{showHelp();}},);});}addSidebarItems();addSidebarCrates();onHashChange(null);window.addEventListener("hashchange",onHashChange);window.searchState.setup();}());(function(){const SIDEBAR_MIN=100;const SIDEBAR_MAX=500;const RUSTDOC_MOBILE_BREAKPOINT=700;const BODY_MIN=400;const SIDEBAR_VANISH_THRESHOLD=SIDEBAR_MIN/2;let sidebarButton=document.getElementById("sidebar-button");const body=document.querySelector(".main-heading");if(!sidebarButton&&body){sidebarButton=document.createElement("div");sidebarButton.id="sidebar-button";const path=`${window.rootPath}${window.currentCrate}/all.html`;sidebarButton.innerHTML=`<a href="${path}" title="show sidebar"></a>`;body.insertBefore(sidebarButton,body.firstChild);}if(sidebarButton){sidebarButton.addEventListener("click",e=>{removeClass(document.documentElement,"hide-sidebar");updateLocalStorage("hide-sidebar","false");if(document.querySelector(".rustdoc.src")){window.rustdocToggleSrcSidebar();}e.preventDefault();});}let currentPointerId=null;let desiredSidebarSize=null;let pendingSidebarResizingFrame=false;const resizer=document.querySelector(".sidebar-resizer");const sidebar=document.querySelector(".sidebar");if(!resizer||!sidebar){return;}const isSrcPage=hasClass(document.body,"src");const hideSidebar=function(){if(isSrcPage){window.rustdocCloseSourceSidebar();updateLocalStorage("src-sidebar-width",null);document.documentElement.style.removeProperty("--src-sidebar-width");sidebar.style.removeProperty("--src-sidebar-width");resizer.style.removeProperty("--src-sidebar-width");}else{addClass(document.documentElement,"hide-sidebar");updateLocalStorage("hide-sidebar","true");updateLocalStorage("desktop-sidebar-width",null);document.documentElement.style.removeProperty("--desktop-sidebar-width");sidebar.style.removeProperty("--desktop-sidebar-width");resizer.style.removeProperty("--desktop-sidebar-width");}};const showSidebar=function(){if(isSrcPage){window.rustdocShowSourceSidebar();}else{removeClass(document.documentElement,"hide-sidebar");updateLocalStorage("hide-sidebar","false");}};const changeSidebarSize=function(size){if(isSrcPage){updateLocalStorage("src-sidebar-width",size.toString());sidebar.style.setProperty("--src-sidebar-width",size+"px");resizer.style.setProperty("--src-sidebar-width",size+"px");}else{updateLocalStorage("desktop-sidebar-width",size.toString());sidebar.style.setProperty("--desktop-sidebar-width",size+"px");resizer.style.setProperty("--desktop-sidebar-width",size+"px");}};const isSidebarHidden=function(){return isSrcPage?!hasClass(document.documentElement,"src-sidebar-expanded"):hasClass(document.documentElement,"hide-sidebar");};const resize=function(e){if(currentPointerId===null||currentPointerId!==e.pointerId){return;}e.preventDefault();const pos=e.clientX-3;if(pos<SIDEBAR_VANISH_THRESHOLD){hideSidebar();}else if(pos>=SIDEBAR_MIN){if(isSidebarHidden()){showSidebar();}const constrainedPos=Math.min(pos,window.innerWidth-BODY_MIN,SIDEBAR_MAX);changeSidebarSize(constrainedPos);desiredSidebarSize=constrainedPos;if(pendingSidebarResizingFrame!==false){clearTimeout(pendingSidebarResizingFrame);}pendingSidebarResizingFrame=setTimeout(()=>{if(currentPointerId===null||pendingSidebarResizingFrame===false){return;}pendingSidebarResizingFrame=false;document.documentElement.style.setProperty("--resizing-sidebar-width",desiredSidebarSize+"px",);},100);}};window.addEventListener("resize",()=>{if(window.innerWidth<RUSTDOC_MOBILE_BREAKPOINT){return;}stopResize();if(desiredSidebarSize!==null&&desiredSidebarSize>=(window.innerWidth-BODY_MIN)){changeSidebarSize(window.innerWidth-BODY_MIN);}else if(desiredSidebarSize!==null&&desiredSidebarSize>SIDEBAR_MIN){changeSidebarSize(desiredSidebarSize);}});const stopResize=function(e){if(currentPointerId===null){return;}if(e){e.preventDefault();}desiredSidebarSize=sidebar.getBoundingClientRect().width;removeClass(resizer,"active");window.removeEventListener("pointermove",resize,false);window.removeEventListener("pointerup",stopResize,false);removeClass(document.documentElement,"sidebar-resizing");document.documentElement.style.removeProperty("--resizing-sidebar-width");if(resizer.releasePointerCapture){resizer.releasePointerCapture(currentPointerId);currentPointerId=null;}};const initResize=function(e){if(currentPointerId!==null||e.altKey||e.ctrlKey||e.metaKey||e.button!==0){return;}if(resizer.setPointerCapture){resizer.setPointerCapture(e.pointerId);if(!resizer.hasPointerCapture(e.pointerId)){resizer.releasePointerCapture(e.pointerId);return;}currentPointerId=e.pointerId;}window.hideAllModals(false);e.preventDefault();window.addEventListener("pointermove",resize,false);window.addEventListener("pointercancel",stopResize,false);window.addEventListener("pointerup",stopResize,false);addClass(resizer,"active");addClass(document.documentElement,"sidebar-resizing");const pos=e.clientX-sidebar.offsetLeft-3;document.documentElement.style.setProperty("--resizing-sidebar-width",pos+"px");desiredSidebarSize=null;};resizer.addEventListener("pointerdown",initResize,false);}());(function(){function copyContentToClipboard(content){if(content===null){return;}const el=document.createElement("textarea");el.value=content;el.setAttribute("readonly","");el.style.position="absolute";el.style.left="-9999px";document.body.appendChild(el);el.select();document.execCommand("copy");document.body.removeChild(el);}function copyButtonAnimation(button){button.classList.add("clicked");if(button.reset_button_timeout!==undefined){clearTimeout(button.reset_button_timeout);}button.reset_button_timeout=setTimeout(()=>{button.reset_button_timeout=undefined;button.classList.remove("clicked");},1000);}const but=document.getElementById("copy-path");if(!but){return;}but.onclick=()=>{const titleElement=document.querySelector("title");const title=titleElement&&titleElement.textContent?titleElement.textContent.replace(" - Rust",""):"";const[item,module]=title.split(" in ");const path=[item];if(module!==undefined){path.unshift(module);}copyContentToClipboard(path.join("::"));copyButtonAnimation(but);};function copyCode(codeElem){if(!codeElem){return;}copyContentToClipboard(codeElem.textContent);}function getExampleWrap(event){const target=event.target;if(target instanceof HTMLElement){let elem=target;while(elem!==null&&!hasClass(elem,"example-wrap")){if(elem===document.body||elem.tagName==="A"||elem.tagName==="BUTTON"||hasClass(elem,"docblock")){return null;}elem=elem.parentElement;}return elem;}else{return null;}}function addCopyButton(event){const elem=getExampleWrap(event);if(elem===null){return;}elem.removeEventListener("mouseover",addCopyButton);const parent=document.createElement("div");parent.className="button-holder";const runButton=elem.querySelector(".test-arrow");if(runButton!==null){parent.appendChild(runButton);}elem.appendChild(parent);const copyButton=document.createElement("button");copyButton.className="copy-button";copyButton.title="Copy code to clipboard";copyButton.addEventListener("click",()=>{copyCode(elem.querySelector("pre > code"));copyButtonAnimation(copyButton);});parent.appendChild(copyButton);if(!elem.parentElement||!elem.parentElement.classList.contains("scraped-example")||!window.updateScrapedExample){return;}const scrapedWrapped=elem.parentElement;window.updateScrapedExample(scrapedWrapped,parent);}function showHideCodeExampleButtons(event){const elem=getExampleWrap(event);if(elem===null){return;}let buttons=elem.querySelector(".button-holder");if(buttons===null){addCopyButton(event);buttons=elem.querySelector(".button-holder");if(buttons===null){return;}}buttons.classList.toggle("keep-visible");}onEachLazy(document.querySelectorAll(".docblock .example-wrap"),elem=>{elem.addEventListener("mouseover",addCopyButton);elem.addEventListener("click",showHideCodeExampleButtons);});}());(function(){document.body.addEventListener("copy",event=>{let target=nonnull(event.target);let isInsideCode=false;while(target&&target!==document.body){if(target.tagName==="CODE"){isInsideCode=true;break;}target=target.parentElement;}if(!isInsideCode){return;}const selection=document.getSelection();nonnull(event.clipboardData).setData("text/plain",selection.toString());event.preventDefault();});}());