"use strict";(function(){const DEFAULT_MAX_LINES=5;const HIDDEN_MAX_LINES=10;function scrollToLoc(elt,loc,isHidden){const lines=elt.querySelectorAll("[data-nosnippet]");let scrollOffset;const maxLines=isHidden?HIDDEN_MAX_LINES:DEFAULT_MAX_LINES;if(loc[1]-loc[0]>maxLines){const line=Math.max(0,loc[0]-1);scrollOffset=lines[line].offsetTop;}else{const halfHeight=elt.offsetHeight/2;const offsetTop=lines[loc[0]].offsetTop;const lastLine=lines[loc[1]];const offsetBot=lastLine.offsetTop+lastLine.offsetHeight;const offsetMid=(offsetTop+offsetBot)/2;scrollOffset=offsetMid-halfHeight;}nonnull(lines[0].parentElement).scrollTo(0,scrollOffset);nonnull(elt.querySelector(".rust")).scrollTo(0,scrollOffset);}function createScrapeButton(parent,className,content){const button=document.createElement("button");button.className=className;button.title=content;parent.insertBefore(button,parent.firstChild);return button;}window.updateScrapedExample=(example,buttonHolder)=>{let locIndex=0;const highlights=Array.prototype.slice.call(example.querySelectorAll(".highlight"));const link=nonnull(example.querySelector(".scraped-example-title a"));let expandButton=null;if(!example.classList.contains("expanded")){expandButton=createScrapeButton(buttonHolder,"expand","Show all");}const isHidden=nonnull(example.parentElement).classList.contains("more-scraped-examples");const locs=example.locs;if(locs.length>1){const next=createScrapeButton(buttonHolder,"next","Next usage");const prev=createScrapeButton(buttonHolder,"prev","Previous usage");const onChangeLoc=changeIndex=>{removeClass(highlights[locIndex],"focus");changeIndex();scrollToLoc(example,locs[locIndex][0],isHidden);addClass(highlights[locIndex],"focus");const url=locs[locIndex][1];const title=locs[locIndex][2];link.href=url;link.innerHTML=title;};prev.addEventListener("click",()=>{onChangeLoc(()=>{locIndex=(locIndex-1+locs.length)%locs.length;});});next.addEventListener("click",()=>{onChangeLoc(()=>{locIndex=(locIndex+1)%locs.length;});});}if(expandButton){expandButton.addEventListener("click",()=>{if(hasClass(example,"expanded")){removeClass(example,"expanded");removeClass(expandButton,"collapse");expandButton.title="Show all";scrollToLoc(example,locs[0][0],isHidden);}else{addClass(example,"expanded");addClass(expandButton,"collapse");expandButton.title="Show single example";}});}};function setupLoc(example,isHidden){const locs_str=nonnull(example.attributes.getNamedItem("data-locs")).textContent;const locs=JSON.parse(nonnull(nonnull(locs_str)));example.locs=locs;scrollToLoc(example,locs[0][0],isHidden);}const firstExamples=document.querySelectorAll(".scraped-example-list > .scraped-example");onEachLazy(firstExamples,el=>setupLoc(el,false));onEachLazy(document.querySelectorAll(".more-examples-toggle"),toggle=>{onEachLazy(toggle.querySelectorAll(".toggle-line, .hide-more"),button=>{button.addEventListener("click",()=>{toggle.open=false;});});const moreExamples=toggle.querySelectorAll(".scraped-example");toggle.querySelector("summary").addEventListener("click",()=>{setTimeout(()=>{onEachLazy(moreExamples,el=>setupLoc(el,true));});},{once:true});});})();