"use strict";if(!Array.prototype.toSpliced){Array.prototype.toSpliced=function(){const me=this.slice();Array.prototype.splice.apply(me,arguments);return me}}(function(){const itemTypes=["keyword","primitive","mod","externcrate","import","struct","enum","fn","type","static","trait","impl","tymethod","method","structfield","variant","macro","associatedtype","constant","associatedconstant","union","foreigntype","existential","attr","derive","traitalias","generic",];const longItemTypes=["keyword","primitive type","module","extern crate","re-export","struct","enum","function","type alias","static","trait","","trait method","method","struct field","enum variant","macro","assoc type","constant","assoc const","union","foreign type","existential type","attribute macro","derive macro","trait alias",];const TY_GENERIC=itemTypes.indexOf("generic");const ROOT_PATH=typeof window!=="undefined"?window.rootPath:"../";function printTab(nb){let iter=0;let foundCurrentTab=false;let foundCurrentResultSet=false;onEachLazy(document.getElementById("search-tabs").childNodes,elem=>{if(nb===iter){addClass(elem,"selected");foundCurrentTab=true}else{removeClass(elem,"selected")}iter+=1});const isTypeSearch=(nb>0||iter===1);iter=0;onEachLazy(document.getElementById("results").childNodes,elem=>{if(nb===iter){addClass(elem,"active");foundCurrentResultSet=true}else{removeClass(elem,"active")}iter+=1});if(foundCurrentTab&&foundCurrentResultSet){searchState.currentTab=nb;const correctionsElem=document.getElementsByClassName("search-corrections");if(isTypeSearch){removeClass(correctionsElem[0],"hidden")}else{addClass(correctionsElem[0],"hidden")}}else if(nb!==0){printTab(0)}}const editDistanceState={current:[],prev:[],prevPrev:[],calculate:function calculate(a,b,limit){if(a.lengthlimit){return limit+1}while(b.length>0&&b[0]===a[0]){a=a.substring(1);b=b.substring(1)}while(b.length>0&&b[b.length-1]===a[a.length-1]){a=a.substring(0,a.length-1);b=b.substring(0,b.length-1)}if(b.length===0){return minDist}const aLength=a.length;const bLength=b.length;for(let i=0;i<=bLength;++i){this.current[i]=0;this.prev[i]=i;this.prevPrev[i]=Number.MAX_VALUE}for(let i=1;i<=aLength;++i){this.current[0]=i;const aIdx=i-1;for(let j=1;j<=bLength;++j){const bIdx=j-1;const substitutionCost=a[aIdx]===b[bIdx]?0:1;this.current[j]=Math.min(this.prev[j]+1,this.current[j-1]+1,this.prev[j-1]+substitutionCost);if((i>1)&&(j>1)&&(a[aIdx]===b[bIdx-1])&&(a[aIdx-1]===b[bIdx])){this.current[j]=Math.min(this.current[j],this.prevPrev[j-2]+1)}}const prevPrevTmp=this.prevPrev;this.prevPrev=this.prev;this.prev=this.current;this.current=prevPrevTmp}const distance=this.prev[bLength];return distance<=limit?distance:(limit+1)},};function editDistance(a,b,limit){return editDistanceState.calculate(a,b,limit)}function initSearch(rawSearchIndex){const MAX_RESULTS=200;const NO_TYPE_FILTER=-1;let searchIndex;let functionTypeFingerprint;let currentResults;let typeNameIdMap;const ALIASES=new Map();let typeNameIdOfArray;let typeNameIdOfSlice;let typeNameIdOfArrayOrSlice;function buildTypeMapIndex(name,isAssocType){if(name===""||name===null){return null}if(typeNameIdMap.has(name)){const obj=typeNameIdMap.get(name);obj.assocOnly=isAssocType&&obj.assocOnly;return obj.id}else{const id=typeNameIdMap.size;typeNameIdMap.set(name,{id,assocOnly:isAssocType});return id}}function isSpecialStartCharacter(c){return"<\"".indexOf(c)!==-1}function isEndCharacter(c){return"=,>-]".indexOf(c)!==-1}function isErrorCharacter(c){return"()".indexOf(c)!==-1}function itemTypeFromName(typename){const index=itemTypes.findIndex(i=>i===typename);if(index<0){throw["Unknown type filter ",typename]}return index}function getStringElem(query,parserState,isInGenerics){if(isInGenerics){throw["Unexpected ","\""," in generics"]}else if(query.literalSearch){throw["Cannot have more than one literal search element"]}else if(parserState.totalElems-parserState.genericsElems>0){throw["Cannot use literal search when there is more than one element"]}parserState.pos+=1;const start=parserState.pos;const end=getIdentEndPosition(parserState);if(parserState.pos>=parserState.length){throw["Unclosed ","\""]}else if(parserState.userQuery[end]!=="\""){throw["Unexpected ",parserState.userQuery[end]," in a string element"]}else if(start===end){throw["Cannot have empty string element"]}parserState.pos+=1;query.literalSearch=true}function isPathStart(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="::"}function isReturnArrow(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="->"}function isIdentCharacter(c){return(c==="_"||(c>="0"&&c<="9")||(c>="a"&&c<="z")||(c>="A"&&c<="Z"))}function isSeparatorCharacter(c){return c===","||c==="="}function isPathSeparator(c){return c===":"||c===" "}function prevIs(parserState,lookingFor){let pos=parserState.pos;while(pos>0){const c=parserState.userQuery[pos-1];if(c===lookingFor){return true}else if(c!==" "){break}pos-=1}return false}function isLastElemGeneric(elems,parserState){return(elems.length>0&&elems[elems.length-1].generics.length>0)||prevIs(parserState,">")}function skipWhitespace(parserState){while(parserState.pos0){throw["Cannot have more than one element if you use quotes"]}const typeFilter=parserState.typeFilter;parserState.typeFilter=null;if(name==="!"){if(typeFilter!==null&&typeFilter!=="primitive"){throw["Invalid search type: primitive never type ","!"," and ",typeFilter," both specified",]}if(generics.length!==0){throw["Never type ","!"," does not accept generic parameters",]}const bindingName=parserState.isInBinding;parserState.isInBinding=null;return{name:"never",id:null,fullPath:["never"],pathWithoutLast:[],pathLast:"never",normalizedPathLast:"never",generics:[],bindings:new Map(),typeFilter:"primitive",bindingName,}}const quadcolon=/::\s*::/.exec(path);if(path.startsWith("::")){throw["Paths cannot start with ","::"]}else if(path.endsWith("::")){throw["Paths cannot end with ","::"]}else if(quadcolon!==null){throw["Unexpected ",quadcolon[0]]}const pathSegments=path.split(/(?:::\s*)|(?:\s+(?:::\s*)?)/);if(pathSegments.length===0||(pathSegments.length===1&&pathSegments[0]==="")){if(generics.length>0||prevIs(parserState,">")){throw["Found generics without a path"]}else{throw["Unexpected ",parserState.userQuery[parserState.pos]]}}for(const[i,pathSegment]of pathSegments.entries()){if(pathSegment==="!"){if(i!==0){throw["Never type ","!"," is not associated item"]}pathSegments[i]="never"}}parserState.totalElems+=1;if(isInGenerics){parserState.genericsElems+=1}const bindingName=parserState.isInBinding;parserState.isInBinding=null;const bindings=new Map();const pathLast=pathSegments[pathSegments.length-1];return{name:name.trim(),id:null,fullPath:pathSegments,pathWithoutLast:pathSegments.slice(0,pathSegments.length-1),pathLast,normalizedPathLast:pathLast.replace(/_/g,""),generics:generics.filter(gen=>{if(gen.bindingName!==null){bindings.set(gen.bindingName.name,[gen,...gen.bindingName.generics]);return false}return true}),bindings,typeFilter,bindingName,}}function getIdentEndPosition(parserState){const start=parserState.pos;let end=parserState.pos;let foundExclamation=-1;while(parserState.pos=end){throw["Found generics without a path"]}parserState.pos+=1;getItemsBefore(query,parserState,generics,">")}if(isStringElem){skipWhitespace(parserState)}if(start>=end&&generics.length===0){return}if(parserState.userQuery[parserState.pos]==="="){if(parserState.isInBinding){throw["Cannot write ","="," twice in a binding"]}if(!isInGenerics){throw["Type parameter ","="," must be within generics list"]}const name=parserState.userQuery.slice(start,end).trim();if(name==="!"){throw["Type parameter ","="," key cannot be ","!"," never type"]}if(name.includes("!")){throw["Type parameter ","="," key cannot be ","!"," macro"]}if(name.includes("::")){throw["Type parameter ","="," key cannot contain ","::"," path"]}if(name.includes(":")){throw["Type parameter ","="," key cannot contain ",":"," type"]}parserState.isInBinding={name,generics}}else{elems.push(createQueryElement(query,parserState,parserState.userQuery.slice(start,end),generics,isInGenerics))}}}function getItemsBefore(query,parserState,elems,endChar){let foundStopChar=true;let start=parserState.pos;const oldTypeFilter=parserState.typeFilter;parserState.typeFilter=null;const oldIsInBinding=parserState.isInBinding;parserState.isInBinding=null;let extra="";if(endChar===">"){extra="<"}else if(endChar==="]"){extra="["}else if(endChar===""){extra="->"}else{extra=endChar}while(parserState.pos"]}else if(prevIs(parserState,"\"")){throw["Cannot have more than one element if you use quotes"]}if(endChar!==""){throw["Expected ",",",", ","=",", or ",endChar,...extra,", found ",c,]}throw["Expected ",","," or ","=",...extra,", found ",c,]}const posBefore=parserState.pos;start=parserState.pos;getNextElem(query,parserState,elems,endChar!=="");if(endChar!==""&&parserState.pos>=parserState.length){throw["Unclosed ",extra]}if(posBefore===parserState.pos){parserState.pos+=1}foundStopChar=false}if(parserState.pos>=parserState.length&&endChar!==""){throw["Unclosed ",extra]}parserState.pos+=1;parserState.typeFilter=oldTypeFilter;parserState.isInBinding=oldIsInBinding}function checkExtraTypeFilterCharacters(start,parserState){const query=parserState.userQuery.slice(start,parserState.pos).trim();for(const c in query){if(!isIdentCharacter(query[c])){throw["Unexpected ",query[c]," in type filter (before ",":",")",]}}}function parseInput(query,parserState){let foundStopChar=true;let start=parserState.pos;while(parserState.pos"){if(isReturnArrow(parserState)){break}throw["Unexpected ",c," (did you mean ","->","?)"]}throw["Unexpected ",c]}else if(c===":"&&!isPathStart(parserState)){if(parserState.typeFilter!==null){throw["Unexpected ",":"," (expected path after type filter ",parserState.typeFilter+":",")",]}else if(query.elems.length===0){throw["Expected type filter before ",":"]}else if(query.literalSearch){throw["Cannot use quotes on type filter"]}const typeFilterElem=query.elems.pop();checkExtraTypeFilterCharacters(start,parserState);parserState.typeFilter=typeFilterElem.name;parserState.pos+=1;parserState.totalElems-=1;query.literalSearch=false;foundStopChar=true;continue}else if(c===" "){skipWhitespace(parserState);continue}if(!foundStopChar){let extra="";if(isLastElemGeneric(query.elems,parserState)){extra=[" after ",">"]}else if(prevIs(parserState,"\"")){throw["Cannot have more than one element if you use quotes"]}if(parserState.typeFilter!==null){throw["Expected ",","," or ","->",...extra,", found ",c,]}throw["Expected ",",",", ",":"," or ","->",...extra,", found ",c,]}const before=query.elems.length;start=parserState.pos;getNextElem(query,parserState,query.elems,false);if(query.elems.length===before){parserState.pos+=1}foundStopChar=false}if(parserState.typeFilter!==null){throw["Unexpected ",":"," (expected path after type filter ",parserState.typeFilter+":",")",]}while(parserState.pos"]}break}else{parserState.pos+=1}}}function newParsedQuery(userQuery){return{original:userQuery,userQuery:userQuery.toLowerCase(),elems:[],returned:[],foundElems:0,totalElems:0,literalSearch:false,error:null,correction:null,proposeCorrectionFrom:null,proposeCorrectionTo:null,typeFingerprint:new Uint32Array(4),}}function buildUrl(search,filterCrates){let extra="?search="+encodeURIComponent(search);if(filterCrates!==null){extra+="&filter-crate="+encodeURIComponent(filterCrates)}return getNakedUrl()+extra+window.location.hash}function getFilterCrates(){const elem=document.getElementById("crate-search");if(elem&&elem.value!=="all crates"&&rawSearchIndex.has(elem.value)){return elem.value}return null}function parseQuery(userQuery){function convertTypeFilterOnElem(elem){if(elem.typeFilter!==null){let typeFilter=elem.typeFilter;if(typeFilter==="const"){typeFilter="constant"}elem.typeFilter=itemTypeFromName(typeFilter)}else{elem.typeFilter=NO_TYPE_FILTER}for(const elem2 of elem.generics){convertTypeFilterOnElem(elem2)}for(const constraints of elem.bindings.values()){for(const constraint of constraints){convertTypeFilterOnElem(constraint)}}}userQuery=userQuery.trim().replace(/\r|\n|\t/g," ");const parserState={length:userQuery.length,pos:0,totalElems:0,genericsElems:0,typeFilter:null,isInBinding:null,userQuery:userQuery.toLowerCase(),};let query=newParsedQuery(userQuery);try{parseInput(query,parserState);for(const elem of query.elems){convertTypeFilterOnElem(elem)}for(const elem of query.returned){convertTypeFilterOnElem(elem)}}catch(err){query=newParsedQuery(userQuery);query.error=err;return query}if(!query.literalSearch){query.literalSearch=parserState.totalElems>1}query.foundElems=query.elems.length+query.returned.length;query.totalElems=parserState.totalElems;return query}function createQueryResults(results_in_args,results_returned,results_others,parsedQuery){return{"in_args":results_in_args,"returned":results_returned,"others":results_others,"query":parsedQuery,}}function execQuery(parsedQuery,filterCrates,currentCrate){const results_others=new Map(),results_in_args=new Map(),results_returned=new Map();function transformResults(results){const duplicates=new Set();const out=[];for(const result of results){if(result.id!==-1){const obj=searchIndex[result.id];obj.dist=result.dist;const res=buildHrefAndPath(obj);obj.displayPath=pathSplitter(res[0]);obj.fullPath=obj.displayPath+obj.name;obj.fullPath+="|"+obj.ty;if(duplicates.has(obj.fullPath)){continue}duplicates.add(obj.fullPath);obj.href=res[1];out.push(obj);if(out.length>=MAX_RESULTS){break}}}return out}function sortResults(results,isType,preferredCrate){if(results.size===0){return[]}const userQuery=parsedQuery.userQuery;const result_list=[];for(const result of results.values()){result.item=searchIndex[result.id];result.word=searchIndex[result.id].word;result_list.push(result)}result_list.sort((aaa,bbb)=>{let a,b;a=(aaa.word!==userQuery);b=(bbb.word!==userQuery);if(a!==b){return a-b}a=(aaa.index<0);b=(bbb.index<0);if(a!==b){return a-b}a=aaa.path_dist;b=bbb.path_dist;if(a!==b){return a-b}a=aaa.index;b=bbb.index;if(a!==b){return a-b}a=(aaa.dist);b=(bbb.dist);if(a!==b){return a-b}a=aaa.item.deprecated;b=bbb.item.deprecated;if(a!==b){return a-b}a=(aaa.item.crate!==preferredCrate);b=(bbb.item.crate!==preferredCrate);if(a!==b){return a-b}a=aaa.word.length;b=bbb.word.length;if(a!==b){return a-b}a=aaa.word;b=bbb.word;if(a!==b){return(a>b?+1:-1)}a=(aaa.item.desc==="");b=(bbb.item.desc==="");if(a!==b){return a-b}a=aaa.item.ty;b=bbb.item.ty;if(a!==b){return a-b}a=aaa.item.path;b=bbb.item.path;if(a!==b){return(a>b?+1:-1)}return 0});return transformResults(result_list)}function unifyFunctionTypes(fnTypesIn,queryElems,whereClause,mgensIn,solutionCb){const mgens=mgensIn===null?null:new Map(mgensIn);if(queryElems.length===0){return!solutionCb||solutionCb(mgens)}if(!fnTypesIn||fnTypesIn.length===0){return false}const ql=queryElems.length;const fl=fnTypesIn.length;if(ql===1&&queryElems[0].generics.length===0&&queryElems[0].bindings.size===0){const queryElem=queryElems[0];for(const fnType of fnTypesIn){if(!unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgens)){continue}if(fnType.id<0&&queryElem.id<0){if(mgens&&mgens.has(fnType.id)&&mgens.get(fnType.id)!==queryElem.id){continue}const mgensScratch=new Map(mgens);mgensScratch.set(fnType.id,queryElem.id);if(!solutionCb||solutionCb(mgensScratch)){return true}}else if(!solutionCb||solutionCb(mgens?new Map(mgens):null)){return true}}for(const fnType of fnTypesIn){if(!unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens)){continue}if(fnType.id<0){if(mgens&&mgens.has(fnType.id)&&mgens.get(fnType.id)!==0){continue}const mgensScratch=new Map(mgens);mgensScratch.set(fnType.id,0);if(unifyFunctionTypes(whereClause[(-fnType.id)-1],queryElems,whereClause,mgensScratch,solutionCb)){return true}}else if(unifyFunctionTypes([...fnType.generics,...Array.from(fnType.bindings.values()).flat()],queryElems,whereClause,mgens?new Map(mgens):null,solutionCb)){return true}}return false}const fnTypes=fnTypesIn.slice();const flast=fl-1;const qlast=ql-1;const queryElem=queryElems[qlast];let queryElemsTmp=null;for(let i=flast;i>=0;i-=1){const fnType=fnTypes[i];if(!unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgens)){continue}let mgensScratch;if(fnType.id<0){mgensScratch=new Map(mgens);if(mgensScratch.has(fnType.id)&&mgensScratch.get(fnType.id)!==queryElem.id){continue}mgensScratch.set(fnType.id,queryElem.id)}else{mgensScratch=mgens}fnTypes[i]=fnTypes[flast];fnTypes.length=flast;if(!queryElemsTmp){queryElemsTmp=queryElems.slice(0,qlast)}const passesUnification=unifyFunctionTypes(fnTypes,queryElemsTmp,whereClause,mgensScratch,mgensScratch=>{if(fnType.generics.length===0&&queryElem.generics.length===0&&fnType.bindings.size===0&&queryElem.bindings.size===0){return!solutionCb||solutionCb(mgensScratch)}const solution=unifyFunctionTypeCheckBindings(fnType,queryElem,whereClause,mgensScratch);if(!solution){return false}const simplifiedGenerics=solution.simplifiedGenerics;for(const simplifiedMgens of solution.mgens){const passesUnification=unifyFunctionTypes(simplifiedGenerics,queryElem.generics,whereClause,simplifiedMgens,solutionCb);if(passesUnification){return true}}return false});if(passesUnification){return true}fnTypes[flast]=fnTypes[i];fnTypes[i]=fnType;fnTypes.length=fl}for(let i=flast;i>=0;i-=1){const fnType=fnTypes[i];if(!unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens)){continue}let mgensScratch;if(fnType.id<0){mgensScratch=new Map(mgens);if(mgensScratch.has(fnType.id)&&mgensScratch.get(fnType.id)!==0){continue}mgensScratch.set(fnType.id,0)}else{mgensScratch=mgens}const generics=fnType.id<0?whereClause[(-fnType.id)-1]:fnType.generics;const bindings=fnType.bindings?Array.from(fnType.bindings.values()).flat():[];const passesUnification=unifyFunctionTypes(fnTypes.toSpliced(i,1,...generics,...bindings),queryElems,whereClause,mgensScratch,solutionCb);if(passesUnification){return true}}return false}function unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgensIn){if(!typePassesFilter(queryElem.typeFilter,fnType.ty)){return false}if(fnType.id<0&&queryElem.id<0){if(mgensIn){if(mgensIn.has(fnType.id)&&mgensIn.get(fnType.id)!==queryElem.id){return false}for(const[fid,qid]of mgensIn.entries()){if(fnType.id!==fid&&queryElem.id===qid){return false}if(fnType.id===fid&&queryElem.id!==qid){return false}}}return true}else{if(queryElem.id===typeNameIdOfArrayOrSlice&&(fnType.id===typeNameIdOfSlice||fnType.id===typeNameIdOfArray)){}else if(fnType.id!==queryElem.id||queryElem.id===null){return false}if((fnType.generics.length+fnType.bindings.size)===0&&queryElem.generics.length!==0){return false}if(fnType.bindings.size0){const fnTypePath=fnType.path!==undefined&&fnType.path!==null?fnType.path.split("::"):[];if(queryElemPathLength>fnTypePath.length){return false}let i=0;for(const path of fnTypePath){if(path===queryElem.pathWithoutLast[i]){i+=1;if(i>=queryElemPathLength){break}}}if(i0){let mgensSolutionSet=[mgensIn];for(const[name,constraints]of queryElem.bindings.entries()){if(mgensSolutionSet.length===0){return false}if(!fnType.bindings.has(name)){return false}const fnTypeBindings=fnType.bindings.get(name);mgensSolutionSet=mgensSolutionSet.flatMap(mgens=>{const newSolutions=[];unifyFunctionTypes(fnTypeBindings,constraints,whereClause,mgens,newMgens=>{newSolutions.push(newMgens);return false});return newSolutions})}if(mgensSolutionSet.length===0){return false}const binds=Array.from(fnType.bindings.entries()).flatMap(entry=>{const[name,constraints]=entry;if(queryElem.bindings.has(name)){return[]}else{return constraints}});if(simplifiedGenerics.length>0){simplifiedGenerics=[...simplifiedGenerics,...binds]}else{simplifiedGenerics=binds}return{simplifiedGenerics,mgens:mgensSolutionSet}}return{simplifiedGenerics,mgens:[mgensIn]}}function unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens){if(fnType.id<0&&queryElem.id>=0){if(!whereClause){return false}if(mgens&&mgens.has(fnType.id)&&mgens.get(fnType.id)!==0){return false}const mgensTmp=new Map(mgens);mgensTmp.set(fnType.id,null);return checkIfInList(whereClause[(-fnType.id)-1],queryElem,whereClause,mgensTmp)}else if(fnType.generics.length>0||fnType.bindings.size>0){const simplifiedGenerics=[...fnType.generics,...Array.from(fnType.bindings.values()).flat(),];return checkIfInList(simplifiedGenerics,queryElem,whereClause,mgens)}return false}function checkIfInList(list,elem,whereClause,mgens){for(const entry of list){if(checkType(entry,elem,whereClause,mgens)){return true}}return false}function checkType(row,elem,whereClause,mgens){if(row.bindings.size===0&&elem.bindings.size===0){if(elem.id<0){return row.id<0||checkIfInList(row.generics,elem,whereClause,mgens)}if(row.id>0&&elem.id>0&&elem.pathWithoutLast.length===0&&typePassesFilter(elem.typeFilter,row.ty)&&elem.generics.length===0&&elem.id!==typeNameIdOfArrayOrSlice){return row.id===elem.id||checkIfInList(row.generics,elem,whereClause,mgens)}}return unifyFunctionTypes([row],[elem],whereClause,mgens)}function checkPath(contains,ty,maxEditDistance){if(contains.length===0){return 0}let ret_dist=maxEditDistance+1;const path=ty.path.split("::");if(ty.parent&&ty.parent.name){path.push(ty.parent.name.toLowerCase())}const length=path.length;const clength=contains.length;pathiter:for(let i=length-clength;i>=0;i-=1){let dist_total=0;for(let x=0;xmaxEditDistance){continue pathiter}dist_total+=dist}ret_dist=Math.min(ret_dist,Math.round(dist_total/clength))}return ret_dist}function typePassesFilter(filter,type){if(filter<=NO_TYPE_FILTER||filter===type)return true;const name=itemTypes[type];switch(itemTypes[filter]){case"constant":return name==="associatedconstant";case"fn":return name==="method"||name==="tymethod";case"type":return name==="primitive"||name==="associatedtype";case"trait":return name==="traitalias"}return false}function createAliasFromItem(item){return{crate:item.crate,name:item.name,path:item.path,desc:item.desc,ty:item.ty,parent:item.parent,type:item.type,is_alias:true,deprecated:item.deprecated,implDisambiguator:item.implDisambiguator,}}function handleAliases(ret,query,filterCrates,currentCrate){const lowerQuery=query.toLowerCase();const aliases=[];const crateAliases=[];if(filterCrates!==null){if(ALIASES.has(filterCrates)&&ALIASES.get(filterCrates).has(lowerQuery)){const query_aliases=ALIASES.get(filterCrates).get(lowerQuery);for(const alias of query_aliases){aliases.push(createAliasFromItem(searchIndex[alias]))}}}else{for(const[crate,crateAliasesIndex]of ALIASES){if(crateAliasesIndex.has(lowerQuery)){const pushTo=crate===currentCrate?crateAliases:aliases;const query_aliases=crateAliasesIndex.get(lowerQuery);for(const alias of query_aliases){pushTo.push(createAliasFromItem(searchIndex[alias]))}}}}const sortFunc=(aaa,bbb)=>{if(aaa.path{alias.alias=query;const res=buildHrefAndPath(alias);alias.displayPath=pathSplitter(res[0]);alias.fullPath=alias.displayPath+alias.name;alias.href=res[1];ret.others.unshift(alias);if(ret.others.length>MAX_RESULTS){ret.others.pop()}};aliases.forEach(pushFunc);crateAliases.forEach(pushFunc)}function addIntoResults(results,fullId,id,index,dist,path_dist,maxEditDistance){if(dist<=maxEditDistance||index!==-1){if(results.has(fullId)){const result=results.get(fullId);if(result.dontValidate||result.dist<=dist){return}}results.set(fullId,{id:id,index:index,dontValidate:parsedQuery.literalSearch,dist:dist,path_dist:path_dist,})}}function handleSingleArg(row,pos,elem,results_others,results_in_args,results_returned,maxEditDistance){if(!row||(filterCrates!==null&&row.crate!==filterCrates)){return}let path_dist=0;const fullId=row.id;const tfpDist=compareTypeFingerprints(fullId,parsedQuery.typeFingerprint);if(tfpDist!==null){const in_args=row.type&&row.type.inputs&&checkIfInList(row.type.inputs,elem,row.type.where_clause);const returned=row.type&&row.type.output&&checkIfInList(row.type.output,elem,row.type.where_clause);if(in_args){results_in_args.max_dist=Math.max(results_in_args.max_dist||0,tfpDist);const maxDist=results_in_args.sizenormalizedIndex&&normalizedIndex!==-1)){index=normalizedIndex}if(elem.fullPath.length>1){path_dist=checkPath(elem.pathWithoutLast,row,maxEditDistance);if(path_dist>maxEditDistance){return}}if(parsedQuery.literalSearch){if(row.word===elem.pathLast){addIntoResults(results_others,fullId,pos,index,0,path_dist)}return}const dist=editDistance(row.normalizedName,elem.normalizedPathLast,maxEditDistance);if(index===-1&&dist+path_dist>maxEditDistance){return}addIntoResults(results_others,fullId,pos,index,dist,path_dist,maxEditDistance)}function handleArgs(row,pos,results){if(!row||(filterCrates!==null&&row.crate!==filterCrates)||!row.type){return}const tfpDist=compareTypeFingerprints(row.id,parsedQuery.typeFingerprint);if(tfpDist===null){return}if(results.size>=MAX_RESULTS&&tfpDist>results.max_dist){return}if(!unifyFunctionTypes(row.type.inputs,parsedQuery.elems,row.type.where_clause,null,mgens=>{return unifyFunctionTypes(row.type.output,parsedQuery.returned,row.type.where_clause,mgens)})){return}results.max_dist=Math.max(results.max_dist||0,tfpDist);addIntoResults(results,row.id,pos,0,tfpDist,0,Number.MAX_VALUE)}function innerRunQuery(){let queryLen=0;for(const elem of parsedQuery.elems){queryLen+=elem.name.length}for(const elem of parsedQuery.returned){queryLen+=elem.name.length}const maxEditDistance=Math.floor(queryLen/3);const genericSymbols=new Map();function convertNameToId(elem,isAssocType){if(typeNameIdMap.has(elem.normalizedPathLast)&&(isAssocType||!typeNameIdMap.get(elem.normalizedPathLast).assocOnly)){elem.id=typeNameIdMap.get(elem.normalizedPathLast).id}else if(!parsedQuery.literalSearch){let match=null;let matchDist=maxEditDistance+1;let matchName="";for(const[name,{id,assocOnly}]of typeNameIdMap){const dist=editDistance(name,elem.normalizedPathLast,maxEditDistance);if(dist<=matchDist&&dist<=maxEditDistance&&(isAssocType||!assocOnly)){if(dist===matchDist&&matchName>name){continue}match=id;matchDist=dist;matchName=name}}if(match!==null){parsedQuery.correction=matchName}elem.id=match}if((elem.id===null&&parsedQuery.totalElems>1&&elem.typeFilter===-1&&elem.generics.length===0&&elem.bindings.size===0)||elem.typeFilter===TY_GENERIC){if(genericSymbols.has(elem.name)){elem.id=genericSymbols.get(elem.name)}else{elem.id=-(genericSymbols.size+1);genericSymbols.set(elem.name,elem.id)}if(elem.typeFilter===-1&&elem.name.length>=3){const maxPartDistance=Math.floor(elem.name.length/3);let matchDist=maxPartDistance+1;let matchName="";for(const name of typeNameIdMap.keys()){const dist=editDistance(name,elem.name,maxPartDistance);if(dist<=matchDist&&dist<=maxPartDistance){if(dist===matchDist&&matchName>name){continue}matchDist=dist;matchName=name}}if(matchName!==""){parsedQuery.proposeCorrectionFrom=elem.name;parsedQuery.proposeCorrectionTo=matchName}}elem.typeFilter=TY_GENERIC}if(elem.generics.length>0&&elem.typeFilter===TY_GENERIC){parsedQuery.error=["Generic type parameter ",elem.name," does not accept generic parameters",]}for(const elem2 of elem.generics){convertNameToId(elem2)}elem.bindings=new Map(Array.from(elem.bindings.entries()).map(entry=>{const[name,constraints]=entry;if(!typeNameIdMap.has(name)){parsedQuery.error=["Type parameter ",name," does not exist",];return[null,[]]}for(const elem2 of constraints){convertNameToId(elem2)}return[typeNameIdMap.get(name).id,constraints]}))}const fps=new Set();for(const elem of parsedQuery.elems){convertNameToId(elem);buildFunctionTypeFingerprint(elem,parsedQuery.typeFingerprint,fps)}for(const elem of parsedQuery.returned){convertNameToId(elem);buildFunctionTypeFingerprint(elem,parsedQuery.typeFingerprint,fps)}if(parsedQuery.foundElems===1&&parsedQuery.returned.length===0){if(parsedQuery.elems.length===1){const elem=parsedQuery.elems[0];for(let i=0,nSearchIndex=searchIndex.length;i0){const sortQ=(a,b)=>{const ag=a.generics.length===0&&a.bindings.size===0;const bg=b.generics.length===0&&b.bindings.size===0;if(ag!==bg){return ag-bg}const ai=a.id>0;const bi=b.id>0;return ai-bi};parsedQuery.elems.sort(sortQ);parsedQuery.returned.sort(sortQ);for(let i=0,nSearchIndex=searchIndex.length;i");if(tmp.endsWith("")){return tmp.slice(0,tmp.length-6)}return tmp}function addTab(array,query,display){const extraClass=display?" active":"";const output=document.createElement("div");if(array.length>0){output.className="search-results "+extraClass;array.forEach(item=>{const name=item.name;const type=itemTypes[item.ty];const longType=longItemTypes[item.ty];const typeName=longType.length!==0?`${longType}`:"?";const link=document.createElement("a");link.className="result-"+type;link.href=item.href;const resultName=document.createElement("div");resultName.className="result-name";resultName.insertAdjacentHTML("beforeend",`${typeName}`);link.appendChild(resultName);let alias=" ";if(item.is_alias){alias=`
\ ${item.alias} - see \
`}resultName.insertAdjacentHTML("beforeend",`
${alias}\ ${item.displayPath}${name}\
`);const description=document.createElement("div");description.className="desc";description.insertAdjacentHTML("beforeend",item.desc);link.appendChild(description);output.appendChild(link)})}else if(query.error===null){output.className="search-failed"+extraClass;output.innerHTML="No results :(
"+"Try on DuckDuckGo?

"+"Or try looking in one of these:"}return[output,array.length]}function makeTabHeader(tabNb,text,nbElems){const fmtNbElems=nbElems<10?`\u{2007}(${nbElems})\u{2007}\u{2007}`:nbElems<100?`\u{2007}(${nbElems})\u{2007}`:`\u{2007}(${nbElems})`;if(searchState.currentTab===tabNb){return""}return""}function showResults(results,go_to_first,filterCrates){const search=searchState.outputElement();if(go_to_first||(results.others.length===1&&getSettingValue("go-to-only-result")==="true")){window.onunload=()=>{};searchState.removeQueryParameters();const elem=document.createElement("a");elem.href=results.others[0].href;removeClass(elem,"active");document.body.appendChild(elem);elem.click();return}if(results.query===undefined){results.query=parseQuery(searchState.input.value)}currentResults=results.query.userQuery;const ret_others=addTab(results.others,results.query,true);const ret_in_args=addTab(results.in_args,results.query,false);const ret_returned=addTab(results.returned,results.query,false);let currentTab=searchState.currentTab;if((currentTab===0&&ret_others[1]===0)||(currentTab===1&&ret_in_args[1]===0)||(currentTab===2&&ret_returned[1]===0)){if(ret_others[1]!==0){currentTab=0}else if(ret_in_args[1]!==0){currentTab=1}else if(ret_returned[1]!==0){currentTab=2}}let crates="";if(rawSearchIndex.size>1){crates=" in 
"}let output=`

Results${crates}

`;if(results.query.error!==null){const error=results.query.error;error.forEach((value,index)=>{value=value.split("<").join("<").split(">").join(">");if(index%2!==0){error[index]=`${value.replaceAll(" ", " ")}`}else{error[index]=value}});output+=`

Query parser error: "${error.join("")}".

`;output+="
"+makeTabHeader(0,"In Names",ret_others[1])+"
";currentTab=0}else if(results.query.foundElems<=1&&results.query.returned.length===0){output+="
"+makeTabHeader(0,"In Names",ret_others[1])+makeTabHeader(1,"In Parameters",ret_in_args[1])+makeTabHeader(2,"In Return Types",ret_returned[1])+"
"}else{const signatureTabTitle=results.query.elems.length===0?"In Function Return Types":results.query.returned.length===0?"In Function Parameters":"In Function Signatures";output+="
"+makeTabHeader(0,signatureTabTitle,ret_others[1])+"
";currentTab=0}if(results.query.correction!==null){const orig=results.query.returned.length>0?results.query.returned[0].name:results.query.elems[0].name;output+="

"+`Type "${orig}" not found. `+"Showing results for closest type name "+`"${results.query.correction}" instead.

`}if(results.query.proposeCorrectionFrom!==null){const orig=results.query.proposeCorrectionFrom;const targ=results.query.proposeCorrectionTo;output+="

"+`Type "${orig}" not found and used as generic parameter. `+`Consider searching for "${targ}" instead.

`}const resultsElem=document.createElement("div");resultsElem.id="results";resultsElem.appendChild(ret_others[0]);resultsElem.appendChild(ret_in_args[0]);resultsElem.appendChild(ret_returned[0]);search.innerHTML=output;const crateSearch=document.getElementById("crate-search");if(crateSearch){crateSearch.addEventListener("input",updateCrate)}search.appendChild(resultsElem);searchState.showResults(search);const elems=document.getElementById("search-tabs").childNodes;searchState.focusedByTab=[];let i=0;for(const elem of elems){const j=i;elem.onclick=()=>printTab(j);searchState.focusedByTab.push(null);i+=1}printTab(currentTab)}function updateSearchHistory(url){if(!browserSupportsHistoryApi()){return}const params=searchState.getQueryStringParams();if(!history.state&&!params.search){history.pushState(null,"",url)}else{history.replaceState(null,"",url)}}function search(forced){const query=parseQuery(searchState.input.value.trim());let filterCrates=getFilterCrates();if(!forced&&query.userQuery===currentResults){if(query.userQuery.length>0){putBackSearch()}return}searchState.setLoadingSearch();const params=searchState.getQueryStringParams();if(filterCrates===null&¶ms["filter-crate"]!==undefined){filterCrates=params["filter-crate"]}searchState.title="Results for "+query.original+" - Rust";updateSearchHistory(buildUrl(query.original,filterCrates));showResults(execQuery(query,filterCrates,window.currentCrate),params.go_to_first,filterCrates)}function buildItemSearchTypeAll(types,lowercasePaths){return types.map(type=>buildItemSearchType(type,lowercasePaths))}function buildItemSearchType(type,lowercasePaths,isAssocType){const PATH_INDEX_DATA=0;const GENERICS_DATA=1;const BINDINGS_DATA=2;let pathIndex,generics,bindings;if(typeof type==="number"){pathIndex=type;generics=[];bindings=new Map()}else{pathIndex=type[PATH_INDEX_DATA];generics=buildItemSearchTypeAll(type[GENERICS_DATA],lowercasePaths);if(type.length>BINDINGS_DATA){bindings=new Map(type[BINDINGS_DATA].map(binding=>{const[assocType,constraints]=binding;return[buildItemSearchType(assocType,lowercasePaths,true).id,buildItemSearchTypeAll(constraints,lowercasePaths),]}))}else{bindings=new Map()}}if(pathIndex<0){return{id:pathIndex,ty:TY_GENERIC,path:null,generics,bindings,}}if(pathIndex===0){return{id:null,ty:null,path:null,generics,bindings,}}const item=lowercasePaths[pathIndex-1];return{id:buildTypeMapIndex(item.name,isAssocType),ty:item.ty,path:item.path,generics,bindings,}}function buildFunctionSearchType(functionSearchType,lowercasePaths){const INPUTS_DATA=0;const OUTPUT_DATA=1;if(functionSearchType===0){return null}let inputs,output;if(typeof functionSearchType[INPUTS_DATA]==="number"){inputs=[buildItemSearchType(functionSearchType[INPUTS_DATA],lowercasePaths)]}else{inputs=buildItemSearchTypeAll(functionSearchType[INPUTS_DATA],lowercasePaths)}if(functionSearchType.length>1){if(typeof functionSearchType[OUTPUT_DATA]==="number"){output=[buildItemSearchType(functionSearchType[OUTPUT_DATA],lowercasePaths)]}else{output=buildItemSearchTypeAll(functionSearchType[OUTPUT_DATA],lowercasePaths)}}else{output=[]}const where_clause=[];const l=functionSearchType.length;for(let i=2;i{k=(~~k+0x7ed55d16)+(k<<12);k=(k ^ 0xc761c23c)^(k>>>19);k=(~~k+0x165667b1)+(k<<5);k=(~~k+0xd3a2646c)^(k<<9);k=(~~k+0xfd7046c5)+(k<<3);return(k ^ 0xb55a4f09)^(k>>>16)};const hashint2=k=>{k=~k+(k<<15);k ^=k>>>12;k+=k<<2;k ^=k>>>4;k=Math.imul(k,2057);return k ^(k>>16)};if(input!==null){const h0a=hashint1(input);const h0b=hashint2(input);const h1a=~~(h0a+Math.imul(h0b,2));const h1b=~~(h0a+Math.imul(h0b,3));const h2a=~~(h0a+Math.imul(h0b,4));const h2b=~~(h0a+Math.imul(h0b,5));output[0]|=(1<<(h0a%32))|(1<<(h1b%32));output[1]|=(1<<(h1a%32))|(1<<(h2b%32));output[2]|=(1<<(h2a%32))|(1<<(h0b%32));fps.add(input)}for(const g of type.generics){buildFunctionTypeFingerprint(g,output,fps)}const fb={id:null,ty:0,generics:[],bindings:new Map(),};for(const[k,v]of type.bindings.entries()){fb.id=k;fb.generics=v;buildFunctionTypeFingerprint(fb,output,fps)}output[3]=fps.size}function compareTypeFingerprints(fullId,queryFingerprint){const fh0=functionTypeFingerprint[fullId*4];const fh1=functionTypeFingerprint[(fullId*4)+1];const fh2=functionTypeFingerprint[(fullId*4)+2];const[qh0,qh1,qh2]=queryFingerprint;const[in0,in1,in2]=[fh0&qh0,fh1&qh1,fh2&qh2];if((in0 ^ qh0)||(in1 ^ qh1)||(in2 ^ qh2)){return null}return functionTypeFingerprint[(fullId*4)+3]}function buildIndex(rawSearchIndex){searchIndex=[];typeNameIdMap=new Map();const charA="A".charCodeAt(0);let currentIndex=0;let id=0;typeNameIdOfArray=buildTypeMapIndex("array");typeNameIdOfSlice=buildTypeMapIndex("slice");typeNameIdOfArrayOrSlice=buildTypeMapIndex("[]");for(const crate of rawSearchIndex.values()){id+=crate.t.length+1}functionTypeFingerprint=new Uint32Array((id+1)*4);id=0;for(const[crate,crateCorpus]of rawSearchIndex){const crateRow={crate:crate,ty:3,name:crate,path:"",desc:crateCorpus.doc,parent:undefined,type:null,id:id,word:crate,normalizedName:crate.indexOf("_")===-1?crate:crate.replace(/_/g,""),deprecated:null,implDisambiguator:null,};id+=1;searchIndex.push(crateRow);currentIndex+=1;const itemTypes=crateCorpus.t;const itemNames=crateCorpus.n;const itemPaths=new Map(crateCorpus.q);const itemDescs=crateCorpus.d;const itemParentIdxs=crateCorpus.i;const itemFunctionSearchTypes=crateCorpus.f;const deprecatedItems=new Set(crateCorpus.c);const implDisambiguator=new Map(crateCorpus.b);const paths=crateCorpus.p;const aliases=crateCorpus.a;const lowercasePaths=[];let len=paths.length;let lastPath=itemPaths.get(0);for(let i=0;i2){path=itemPaths.has(elem[2])?itemPaths.get(elem[2]):lastPath;lastPath=path}lowercasePaths.push({ty:ty,name:name.toLowerCase(),path:path});paths[i]={ty:ty,name:name,path:path}}lastPath="";len=itemTypes.length;for(let i=0;i0?paths[itemParentIdxs[i]-1]:undefined,type,id:id,word,normalizedName:word.indexOf("_")===-1?word:word.replace(/_/g,""),deprecated:deprecatedItems.has(i),implDisambiguator:implDisambiguator.has(i)?implDisambiguator.get(i):null,};id+=1;searchIndex.push(row);lastPath=row.path}if(aliases){const currentCrateAliases=new Map();ALIASES.set(crate,currentCrateAliases);for(const alias_name in aliases){if(!Object.prototype.hasOwnProperty.call(aliases,alias_name)){continue}let currentNameAliases;if(currentCrateAliases.has(alias_name)){currentNameAliases=currentCrateAliases.get(alias_name)}else{currentNameAliases=[];currentCrateAliases.set(alias_name,currentNameAliases)}for(const local_alias of aliases[alias_name]){currentNameAliases.push(local_alias+currentIndex)}}}currentIndex+=itemTypes.length}}function onSearchSubmit(e){e.preventDefault();searchState.clearInputTimeout();search()}function putBackSearch(){const search_input=searchState.input;if(!searchState.input){return}if(search_input.value!==""&&!searchState.isDisplayed()){searchState.showResults();if(browserSupportsHistoryApi()){history.replaceState(null,"",buildUrl(search_input.value,getFilterCrates()))}document.title=searchState.title}}function registerSearchEvents(){const params=searchState.getQueryStringParams();if(searchState.input.value===""){searchState.input.value=params.search||""}const searchAfter500ms=()=>{searchState.clearInputTimeout();if(searchState.input.value.length===0){searchState.hideResults()}else{searchState.timeout=setTimeout(search,500)}};searchState.input.onkeyup=searchAfter500ms;searchState.input.oninput=searchAfter500ms;document.getElementsByClassName("search-form")[0].onsubmit=onSearchSubmit;searchState.input.onchange=e=>{if(e.target!==document.activeElement){return}searchState.clearInputTimeout();setTimeout(search,0)};searchState.input.onpaste=searchState.input.onchange;searchState.outputElement().addEventListener("keydown",e=>{if(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey){return}if(e.which===38){const previous=document.activeElement.previousElementSibling;if(previous){previous.focus()}else{searchState.focus()}e.preventDefault()}else if(e.which===40){const next=document.activeElement.nextElementSibling;if(next){next.focus()}const rect=document.activeElement.getBoundingClientRect();if(window.innerHeight-rect.bottom{if(e.which===40){focusSearchResult();e.preventDefault()}});searchState.input.addEventListener("focus",()=>{putBackSearch()});searchState.input.addEventListener("blur",()=>{searchState.input.placeholder=searchState.input.origPlaceholder});if(browserSupportsHistoryApi()){const previousTitle=document.title;window.addEventListener("popstate",e=>{const params=searchState.getQueryStringParams();document.title=previousTitle;currentResults=null;if(params.search&¶ms.search.length>0){searchState.input.value=params.search;e.preventDefault();search()}else{searchState.input.value="";searchState.hideResults()}})}window.onpageshow=()=>{const qSearch=searchState.getQueryStringParams().search;if(searchState.input.value===""&&qSearch){searchState.input.value=qSearch}search()}}function updateCrate(ev){if(ev.target.value==="all crates"){const query=searchState.input.value.trim();updateSearchHistory(buildUrl(query,null))}currentResults=null;search(true)}buildIndex(rawSearchIndex);if(typeof window!=="undefined"){registerSearchEvents();if(window.searchState.getQueryStringParams().search){search()}}if(typeof exports!=="undefined"){exports.initSearch=initSearch;exports.execQuery=execQuery;exports.parseQuery=parseQuery}}if(typeof window!=="undefined"){window.initSearch=initSearch;if(window.searchIndex!==undefined){initSearch(window.searchIndex)}}else{initSearch(new Map())}})()