if(!String.prototype.startsWith){String.prototype.startsWith=function(searchString,position){position=position||0;return this.indexOf(searchString,position)===position}}if(!String.prototype.endsWith){String.prototype.endsWith=function(suffix,length){var l=length||this.length;return this.indexOf(suffix,l-suffix.length)!==-1}}if(!DOMTokenList.prototype.add){DOMTokenList.prototype.add=function(className){if(className&&!hasClass(this,className)){if(this.className&&this.className.length>0){this.className+=" "+className}else{this.className=className}}}}if(!DOMTokenList.prototype.remove){DOMTokenList.prototype.remove=function(className){if(className&&this.className){this.className=(" "+this.className+" ").replace(" "+className+" "," ").trim()}}}(function(){var rustdocVars=document.getElementById("rustdoc-vars");if(rustdocVars){window.rootPath=rustdocVars.attributes["data-root-path"].value;window.currentCrate=rustdocVars.attributes["data-current-crate"].value;window.searchJS=rustdocVars.attributes["data-search-js"].value;window.searchIndexJS=rustdocVars.attributes["data-search-index-js"].value}var sidebarVars=document.getElementById("sidebar-vars");if(sidebarVars){window.sidebarCurrent={name:sidebarVars.attributes["data-name"].value,ty:sidebarVars.attributes["data-ty"].value,relpath:sidebarVars.attributes["data-relpath"].value,}}}());function getVirtualKey(ev){if("key"in ev&&typeof ev.key!="undefined"){return ev.key}var c=ev.charCode||ev.keyCode;if(c==27){return"Escape"}return String.fromCharCode(c)}var THEME_PICKER_ELEMENT_ID="theme-picker";var THEMES_ELEMENT_ID="theme-choices";function getThemesElement(){return document.getElementById(THEMES_ELEMENT_ID)}function getThemePickerElement(){return document.getElementById(THEME_PICKER_ELEMENT_ID)}function getNakedUrl(){return window.location.href.split("?")[0].split("#")[0]}function showThemeButtonState(){var themePicker=getThemePickerElement();var themeChoices=getThemesElement();themeChoices.style.display="block";themePicker.style.borderBottomRightRadius="0";themePicker.style.borderBottomLeftRadius="0"}function hideThemeButtonState(){var themePicker=getThemePickerElement();var themeChoices=getThemesElement();themeChoices.style.display="none";themePicker.style.borderBottomRightRadius="3px";themePicker.style.borderBottomLeftRadius="3px"}(function(){var themeChoices=getThemesElement();var themePicker=getThemePickerElement();var availableThemes=["ayu","dark","light"];function switchThemeButtonState(){if(themeChoices.style.display==="block"){hideThemeButtonState()}else{showThemeButtonState()}}function handleThemeButtonsBlur(e){var active=document.activeElement;var related=e.relatedTarget;if(active.id!==THEME_PICKER_ELEMENT_ID&&(!active.parentNode||active.parentNode.id!==THEMES_ELEMENT_ID)&&(!related||(related.id!==THEME_PICKER_ELEMENT_ID&&(!related.parentNode||related.parentNode.id!==THEMES_ELEMENT_ID)))){hideThemeButtonState()}}themePicker.onclick=switchThemeButtonState;themePicker.onblur=handleThemeButtonsBlur;availableThemes.forEach(function(item){var but=document.createElement("button");but.textContent=item;but.onclick=function(){switchTheme(window.currentTheme,window.mainTheme,item,true);useSystemTheme(false)};but.onblur=handleThemeButtonsBlur;themeChoices.appendChild(but)})}());(function(){"use strict";window.searchState={loadingText:"Loading search results...",input:document.getElementsByClassName("search-input")[0],outputElement:function(){return document.getElementById("search")},title:null,titleBeforeSearch:document.title,timeout:null,currentTab:0,mouseMovedAfterSearch:true,clearInputTimeout:function(){if(searchState.timeout!==null){clearTimeout(searchState.timeout);searchState.timeout=null}},focus:function(){searchState.input.focus()},defocus:function(){searchState.input.blur()},showResults:function(search){if(search===null||typeof search==='undefined'){search=searchState.outputElement()}addClass(main,"hidden");removeClass(search,"hidden");searchState.mouseMovedAfterSearch=false;document.title=searchState.title},hideResults:function(search){if(search===null||typeof search==='undefined'){search=searchState.outputElement()}addClass(search,"hidden");removeClass(main,"hidden");document.title=searchState.titleBeforeSearch;if(searchState.browserSupportsHistoryApi()){history.replaceState("",window.currentCrate+" - Rust",getNakedUrl()+window.location.hash)}},getQueryStringParams:function(){var params={};window.location.search.substring(1).split("&").map(function(s){var pair=s.split("=");params[decodeURIComponent(pair[0])]=typeof pair[1]==="undefined"?null:decodeURIComponent(pair[1])});return params},putBackSearch:function(search_input){var search=searchState.outputElement();if(search_input.value!==""&&hasClass(search,"hidden")){searchState.showResults(search);if(searchState.browserSupportsHistoryApi()){var extra="?search="+encodeURIComponent(search_input.value);history.replaceState(search_input.value,"",getNakedUrl()+extra+window.location.hash)}document.title=searchState.title}},browserSupportsHistoryApi:function(){return window.history&&typeof window.history.pushState==="function"},setup:function(){var search_input=searchState.input;if(!searchState.input){return}function loadScript(url){var script=document.createElement('script');script.src=url;document.head.append(script)}var searchLoaded=false;function loadSearch(){if(!searchLoaded){searchLoaded=true;loadScript(window.searchJS);loadScript(window.searchIndexJS)}}search_input.addEventListener("focus",function(){searchState.putBackSearch(this);search_input.origPlaceholder=searchState.input.placeholder;search_input.placeholder="Type your search here.";loadSearch()});search_input.addEventListener("blur",function(){search_input.placeholder=searchState.input.origPlaceholder});document.addEventListener("mousemove",function(){searchState.mouseMovedAfterSearch=true});search_input.removeAttribute('disabled');searchState.addCrateDropdown(window.ALL_CRATES);var params=searchState.getQueryStringParams();if(params.search!==undefined){var search=searchState.outputElement();search.innerHTML="

"+searchState.loadingText+"

";searchState.showResults(search);loadSearch()}},addCrateDropdown:function(crates){var elem=document.getElementById("crate-search");if(!elem){return}var savedCrate=getSettingValue("saved-filter-crate");for(var i=0,len=crates.length;i0){return tmp}}return null}function showSidebar(){var elems=document.getElementsByClassName("sidebar-elems")[0];if(elems){addClass(elems,"show-it")}var sidebar=document.getElementsByClassName("sidebar")[0];if(sidebar){addClass(sidebar,"mobile");var filler=document.getElementById("sidebar-filler");if(!filler){var div=document.createElement("div");div.id="sidebar-filler";sidebar.appendChild(div)}}}function hideSidebar(){var elems=document.getElementsByClassName("sidebar-elems")[0];if(elems){removeClass(elems,"show-it")}var sidebar=document.getElementsByClassName("sidebar")[0];removeClass(sidebar,"mobile");var filler=document.getElementById("sidebar-filler");if(filler){filler.remove()}document.getElementsByTagName("body")[0].style.marginTop=""}function isHidden(elem){return elem.offsetHeight===0}var toggleAllDocsId="toggle-all-docs";var main=document.getElementById("main");var savedHash="";function handleHashes(ev){var elem;var search=searchState.outputElement();if(ev!==null&&search&&!hasClass(search,"hidden")&&ev.newURL){searchState.hideResults(search);var hash=ev.newURL.slice(ev.newURL.indexOf("#")+1);if(searchState.browserSupportsHistoryApi()){history.replaceState(hash,"",getNakedUrl()+window.location.search+"#"+hash)}elem=document.getElementById(hash);if(elem){elem.scrollIntoView()}}if(savedHash!==window.location.hash){savedHash=window.location.hash;if(savedHash.length===0){return}elem=document.getElementById(savedHash.slice(1));if(!elem||!isHidden(elem)){return}var parent=elem.parentNode;if(parent&&hasClass(parent,"impl-items")){onEachLazy(parent.getElementsByClassName("collapsed"),function(e){if(e.parentNode===parent){e.click();return true}});if(isHidden(elem)){if(hasClass(parent.lastElementChild,"collapse-toggle")){parent.lastElementChild.click()}}}}}function highlightSourceLines(match,ev){if(typeof match==="undefined"){hideSidebar();match=window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/)}if(!match){return}var from=parseInt(match[1],10);var to=from;if(typeof match[2]!=="undefined"){to=parseInt(match[2],10)}if(to0){collapseDocs(collapses[0],"show")}openParentDetails(h3.parentNode)}else{openParentDetails(elem.parentNode)}}}function getHelpElement(build){if(build!==false){buildHelperPopup()}return document.getElementById("help")}function displayHelp(display,ev,help){if(display===true){help=help?help:getHelpElement(true);if(hasClass(help,"hidden")){ev.preventDefault();removeClass(help,"hidden");addClass(document.body,"blur")}}else{help=help?help:getHelpElement(false);if(help&&hasClass(help,"hidden")===false){ev.preventDefault();addClass(help,"hidden");removeClass(document.body,"blur")}}}function handleEscape(ev){var help=getHelpElement(false);var search=searchState.outputElement();if(hasClass(help,"hidden")===false){displayHelp(false,ev,help)}else if(hasClass(search,"hidden")===false){searchState.clearInputTimeout();ev.preventDefault();searchState.hideResults(search)}searchState.defocus();hideThemeButtonState()}var disableShortcuts=getSettingValue("disable-shortcuts")==="true";function handleShortcut(ev){if(ev.ctrlKey||ev.altKey||ev.metaKey||disableShortcuts===true){return}if(document.activeElement.tagName==="INPUT"){switch(getVirtualKey(ev)){case"Escape":handleEscape(ev);break}}else{switch(getVirtualKey(ev)){case"Escape":handleEscape(ev);break;case"s":case"S":displayHelp(false,ev);ev.preventDefault();searchState.focus();break;case"+":case"-":ev.preventDefault();toggleAllDocs();break;case"?":displayHelp(true,ev);break;case"t":case"T":displayHelp(false,ev);ev.preventDefault();var themePicker=getThemePickerElement();themePicker.click();themePicker.focus();break;default:if(getThemePickerElement().parentNode.contains(ev.target)){handleThemeKeyDown(ev)}}}}function handleThemeKeyDown(ev){var active=document.activeElement;var themes=getThemesElement();switch(getVirtualKey(ev)){case"ArrowUp":ev.preventDefault();if(active.previousElementSibling&&ev.target.id!==THEME_PICKER_ELEMENT_ID){active.previousElementSibling.focus()}else{showThemeButtonState();themes.lastElementChild.focus()}break;case"ArrowDown":ev.preventDefault();if(active.nextElementSibling&&ev.target.id!==THEME_PICKER_ELEMENT_ID){active.nextElementSibling.focus()}else{showThemeButtonState();themes.firstElementChild.focus()}break;case"Enter":case"Return":case"Space":if(ev.target.id===THEME_PICKER_ELEMENT_ID&&themes.style.display==="none"){ev.preventDefault();showThemeButtonState();themes.firstElementChild.focus()}break;case"Home":ev.preventDefault();themes.firstElementChild.focus();break;case"End":ev.preventDefault();themes.lastElementChild.focus();break}}function findParentElement(elem,tagName){do{if(elem&&elem.tagName===tagName){return elem}elem=elem.parentNode}while(elem);return null}document.addEventListener("keypress",handleShortcut);document.addEventListener("keydown",handleShortcut);var handleSourceHighlight=(function(){var prev_line_id=0;var set_fragment=function(name){var x=window.scrollX,y=window.scrollY;if(searchState.browserSupportsHistoryApi()){history.replaceState(null,null,"#"+name);highlightSourceLines()}else{location.replace("#"+name)}window.scrollTo(x,y)};return function(ev){var cur_line_id=parseInt(ev.target.id,10);ev.preventDefault();if(ev.shiftKey&&prev_line_id){if(prev_line_id>cur_line_id){var tmp=prev_line_id;prev_line_id=cur_line_id;cur_line_id=tmp}set_fragment(prev_line_id+"-"+cur_line_id)}else{prev_line_id=cur_line_id;set_fragment(cur_line_id)}}}());document.addEventListener("click",function(ev){var helpElem=getHelpElement(false);if(hasClass(ev.target,"help-button")){displayHelp(true,ev)}else if(hasClass(ev.target,"collapse-toggle")){collapseDocs(ev.target,"toggle")}else if(hasClass(ev.target.parentNode,"collapse-toggle")){collapseDocs(ev.target.parentNode,"toggle")}else if(ev.target.tagName==="SPAN"&&hasClass(ev.target.parentNode,"line-numbers")){handleSourceHighlight(ev)}else if(helpElem&&hasClass(helpElem,"hidden")===false){var is_inside_help_popup=ev.target!==helpElem&&helpElem.contains(ev.target);if(is_inside_help_popup===false){addClass(helpElem,"hidden");removeClass(document.body,"blur")}}else{var a=findParentElement(ev.target,"A");if(a&&a.hash){expandSection(a.hash.replace(/^#/,""))}}});(function(){var x=document.getElementsByClassName("version-selector");if(x.length>0){x[0].onchange=function(){var i,match,url=document.location.href,stripped="",len=window.rootPath.match(/\.\.\//g).length+1;for(i=0;i"+""+"
"+code.outerHTML+"
";list.appendChild(display)}}};if(window.pending_implementors){window.register_implementors(window.pending_implementors)}function labelForToggleButton(sectionIsCollapsed){if(sectionIsCollapsed){return"+"}return"\u2212"}function onEveryMatchingChild(elem,className,func){if(elem&&className&&func){var length=elem.childNodes.length;var nodes=elem.childNodes;for(var i=0;i"+labelForToggleButton(sectionIsCollapsed)+"]";return toggle}function createToggle(toggle,otherMessage,fontSize,extraClass,show){var span=document.createElement("span");span.className="toggle-label";if(show){span.style.display="none"}if(!otherMessage){span.innerHTML=" Expand description"}else{span.innerHTML=otherMessage}if(fontSize){span.style.fontSize=fontSize}var mainToggle=toggle.cloneNode(true);mainToggle.appendChild(span);var wrapper=document.createElement("div");wrapper.className="toggle-wrapper";if(!show){addClass(wrapper,"collapsed");var inner=mainToggle.getElementsByClassName("inner");if(inner&&inner.length>0){inner[0].innerHTML="+"}}if(extraClass){addClass(wrapper,extraClass)}wrapper.appendChild(mainToggle);return wrapper}(function(){var toggles=document.getElementById(toggleAllDocsId);if(toggles){toggles.onclick=toggleAllDocs}var toggle=createSimpleToggle(false);var hideMethodDocs=getSettingValue("auto-hide-method-docs")==="true";var hideImplementors=getSettingValue("auto-collapse-implementors")!=="false";var hideLargeItemContents=getSettingValue("auto-hide-large-items")!=="false";var impl_list=document.getElementById("trait-implementations-list");if(impl_list!==null){onEachLazy(impl_list.getElementsByClassName("collapse-toggle"),function(e){collapseNonInherent(e)})}var blanket_list=document.getElementById("blanket-implementations-list");if(blanket_list!==null){onEachLazy(blanket_list.getElementsByClassName("collapse-toggle"),function(e){collapseNonInherent(e)})}if(hideMethodDocs===true){onEachLazy(document.getElementsByClassName("method"),function(e){var toggle=e.parentNode;if(toggle){toggle=toggle.parentNode}if(toggle&&toggle.tagName==="DETAILS"){toggle.open=false}})}onEachLazy(document.getElementsByTagName("details"),function(e){var showLargeItem=!hideLargeItemContents&&hasClass(e,"type-contents-toggle");var showImplementor=!hideImplementors&&hasClass(e,"implementors-toggle");if(showLargeItem||showImplementor){e.open=true}});var currentType=document.getElementsByClassName("type-decl")[0];var className=null;if(currentType){currentType=currentType.getElementsByClassName("rust")[0];if(currentType){onEachLazy(currentType.classList,function(item){if(item!=="main"){className=item;return true}})}}function buildToggleWrapper(e){if(hasClass(e,"autohide")){var wrap=e.previousElementSibling;if(wrap&&hasClass(wrap,"toggle-wrapper")){var inner_toggle=wrap.childNodes[0];var extra=e.childNodes[0].tagName==="H3";e.style.display="none";addClass(wrap,"collapsed");onEachLazy(inner_toggle.getElementsByClassName("inner"),function(e){e.innerHTML=labelForToggleButton(true)});onEachLazy(inner_toggle.getElementsByClassName("toggle-label"),function(e){e.style.display="inline-block";if(extra===true){e.innerHTML=" Show "+e.childNodes[0].innerHTML}})}}if(e.parentNode.id==="main"){var otherMessage="";var fontSize;var extraClass;if(hasClass(e,"type-decl")){return}else if(hasClass(e,"non-exhaustive")){otherMessage=" This ";if(hasClass(e,"non-exhaustive-struct")){otherMessage+="struct"}else if(hasClass(e,"non-exhaustive-enum")){otherMessage+="enum"}else if(hasClass(e,"non-exhaustive-variant")){otherMessage+="enum variant"}else if(hasClass(e,"non-exhaustive-type")){otherMessage+="type"}otherMessage+=" is marked as non-exhaustive"}else if(hasClass(e.childNodes[0],"impl-items")){extraClass="marg-left"}e.parentNode.insertBefore(createToggle(toggle,otherMessage,fontSize,extraClass,true),e);if(hasClass(e,"non-exhaustive")===true){collapseDocs(e.previousSibling.childNodes[0],"toggle")}}}onEachLazy(document.getElementsByClassName("docblock"),buildToggleWrapper);var pageId=getPageId();if(pageId!==null){expandSection(pageId)}}());(function(){var lineNumbersFunc=function(){};if(getSettingValue("line-numbers")==="true"){lineNumbersFunc=function(x){var count=x.textContent.split("\n").length;var elems=[];for(var i=0;ithe rustdoc book.";var container=document.createElement("div");var shortcuts=[["?","Show this help dialog"],["S","Focus the search field"],["T","Focus the theme picker menu"],["↑","Move up in search results"],["↓","Move down in search results"],["ctrl + ↑ / ↓","Switch result tab"],["⏎","Go to active search result"],["+","Expand all sections"],["-","Collapse all sections"],].map(function(x){return"
"+x[0].split(" ").map(function(y,index){return(index&1)===0?""+y+"":" "+y+" "}).join("")+"
"+x[1]+"
"}).join("");var div_shortcuts=document.createElement("div");addClass(div_shortcuts,"shortcuts");div_shortcuts.innerHTML="

Keyboard Shortcuts

"+shortcuts+"
";var infos=["Prefix searches with a type followed by a colon (e.g., fn:) to \ restrict the search to a given item kind.","Accepted kinds are: fn, mod, struct, \ enum, trait, type, macro, \ and const.","Search functions by type signature (e.g., vec -> usize or \ * -> vec)","Search multiple things at once by splitting your query with comma (e.g., \ str,u8 or String,struct:Vec,test)","You can look for items with an exact name by putting double quotes around \ your request: \"string\"","Look for items inside another one by searching for a path: vec::Vec",].map(function(x){return"

"+x+"

"}).join("");var div_infos=document.createElement("div");addClass(div_infos,"infos");div_infos.innerHTML="

Search Tricks

"+infos;container.appendChild(book_info);container.appendChild(div_shortcuts);container.appendChild(div_infos);popup.appendChild(container);insertAfter(popup,searchState.outputElement());buildHelperPopup=function(){}}onHashChange(null);window.onhashchange=onHashChange;searchState.setup()}());(function(){var reset_button_timeout=null;window.copy_path=function(but){var parent=but.parentElement;var path=[];onEach(parent.childNodes,function(child){if(child.tagName==='A'){path.push(child.textContent)}});var el=document.createElement('textarea');el.value='use '+path.join('::')+';';el.setAttribute('readonly','');el.style.position='absolute';el.style.left='-9999px';document.body.appendChild(el);el.select();document.execCommand('copy');document.body.removeChild(el);but.textContent='✓';if(reset_button_timeout!==null){window.clearTimeout(reset_button_timeout)}function reset_button(){but.textContent='⎘';reset_button_timeout=null}reset_button_timeout=window.setTimeout(reset_button,1000)}}())