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main.js
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// Local js definitions:
/* global addClass, getSettingValue, hasClass */
/* global onEach, onEachLazy, hasOwnProperty, removeClass, updateLocalStorage */
/* global switchTheme, useSystemTheme */
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,
};
}
}());
// Gets the human-readable string for the virtual-key code of the
// given KeyboardEvent, ev.
//
// This function is meant as a polyfill for KeyboardEvent#key,
// since it is not supported in IE 11 or Chrome for Android. We also test for
// KeyboardEvent#keyCode because the handleShortcut handler is
// also registered for the keydown event, because Blink doesn't fire
// keypress on hitting the Escape key.
//
// So I guess you could say things are getting pretty interoperable.
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);
}
// Returns the current URL without any query parameter or hash.
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";
}
// Set up the theme picker list.
(function () {
var themeChoices = getThemesElement();
var themePicker = getThemePickerElement();
var availableThemes/* INSERT THEMES HERE */;
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,
// On the search screen, so you remain on the last tab you opened.
//
// 0 for "In Names"
// 1 for "In Parameters"
// 2 for "In Return Types"
currentTab: 0,
// tab and back preserves the element that was focused.
focusedByTab: [null, null, null],
clearInputTimeout: function() {
if (searchState.timeout !== null) {
clearTimeout(searchState.timeout);
searchState.timeout = null;
}
},
// Sets the focus on the search bar at the top of the page
focus: function() {
searchState.input.focus();
},
// Removes the focus from the search bar.
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;
// We also remove the query parameter from the URL.
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;
});
search_input.removeAttribute('disabled');
// `crates{version}.js` should always be loaded before this script, so we can use it
// safely.
searchState.addCrateDropdown(window.ALL_CRATES);
var params = searchState.getQueryStringParams();
if (params.search !== undefined) {
var search = searchState.outputElement();
search.innerHTML = "<h3 style=\"text-align: center;\">" +
searchState.loadingText + "</h3>";
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; i < len; ++i) {
var option = document.createElement("option");
option.value = crates[i];
option.innerText = crates[i];
elem.appendChild(option);
// Set the crate filter from saved storage, if the current page has the saved crate
// filter.
//
// If not, ignore the crate filter -- we want to support filtering for crates on
// sites like doc.rust-lang.org where the crates may differ from page to page while
// on the
// same domain.
if (crates[i] === savedCrate) {
elem.value = savedCrate;
}
}
},
};
function getPageId() {
if (window.location.hash) {
var tmp = window.location.hash.replace(/^#/, "");
if (tmp.length > 0) {
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) {
// This block occurs when clicking on an element in the navbar while
// in a search.
searchState.hideResults(search);
var hash = ev.newURL.slice(ev.newURL.indexOf("#") + 1);
if (searchState.browserSupportsHistoryApi()) {
// `window.location.search`` contains all the query parameters, not just `search`.
history.replaceState(hash, "",
getNakedUrl() + window.location.search + "#" + hash);
}
elem = document.getElementById(hash);
if (elem) {
elem.scrollIntoView();
}
}
// This part is used in case an element is not visible.
if (savedHash !== window.location.hash) {
savedHash = window.location.hash;
if (savedHash.length === 0) {
return;
}
expandSection(savedHash.slice(1)); // we remove the '#'
}
}
function onHashChange(ev) {
// If we're in mobile mode, we should hide the sidebar in any case.
hideSidebar();
handleHashes(ev);
}
function openParentDetails(elem) {
while (elem) {
if (elem.tagName === "DETAILS") {
elem.open = true;
}
elem = elem.parentNode;
}
}
function expandSection(id) {
openParentDetails(document.getElementById(id));
}
function getHelpElement(build) {
if (build) {
buildHelperPopup();
}
return document.getElementById("help");
}
function displayHelp(display, ev, help) {
if (display) {
help = help ? help : getHelpElement(true);
if (hasClass(help, "hidden")) {
ev.preventDefault();
removeClass(help, "hidden");
addClass(document.body, "blur");
}
} else {
// No need to build the help popup if we want to hide it in case it hasn't been
// built yet...
help = help ? help : getHelpElement(false);
if (help && !hasClass(help, "hidden")) {
ev.preventDefault();
addClass(help, "hidden");
removeClass(document.body, "blur");
}
}
}
function handleEscape(ev) {
var help = getHelpElement(false);
var search = searchState.outputElement();
if (!hasClass(help, "hidden")) {
displayHelp(false, ev, help);
} else if (!hasClass(search, "hidden")) {
searchState.clearInputTimeout();
ev.preventDefault();
searchState.hideResults(search);
}
searchState.defocus();
hideThemeButtonState();
}
var disableShortcuts = getSettingValue("disable-shortcuts") === "true";
function handleShortcut(ev) {
// Don't interfere with browser shortcuts
if (ev.ctrlKey || ev.altKey || ev.metaKey || disableShortcuts) {
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;
// The escape key is handled in handleEscape, not here,
// so that pressing escape will close the menu even if it isn't focused
}
}
document.addEventListener("keypress", handleShortcut);
document.addEventListener("keydown", handleShortcut);
(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 < len; ++i) {
match = url.match(/\/[^\/]*$/);
if (i < len - 1) {
stripped = match[0] + stripped;
}
url = url.substring(0, url.length - match[0].length);
}
var selectedVersion = document.getElementsByClassName("version-selector")[0].value;
url += "/" + selectedVersion + stripped;
document.location.href = url;
};
}
}());
function addSidebarCrates(crates) {
// Draw a convenient sidebar of known crates if we have a listing
if (window.rootPath === "../" || window.rootPath === "./") {
var sidebar = document.getElementsByClassName("sidebar-elems")[0];
if (sidebar) {
var div = document.createElement("div");
div.className = "block crate";
div.innerHTML = "<h3>Crates</h3>";
var ul = document.createElement("ul");
div.appendChild(ul);
for (var i = 0; i < crates.length; ++i) {
var klass = "crate";
if (window.rootPath !== "./" && crates[i] === window.currentCrate) {
klass += " current";
}
var link = document.createElement("a");
link.href = window.rootPath + crates[i] + "/index.html";
link.className = klass;
link.textContent = crates[i];
var li = document.createElement("li");
li.appendChild(link);
ul.appendChild(li);
}
sidebar.appendChild(div);
}
}
}
// delayed sidebar rendering.
window.initSidebarItems = function(items) {
var sidebar = document.getElementsByClassName("sidebar-elems")[0];
var current = window.sidebarCurrent;
function block(shortty, longty) {
var filtered = items[shortty];
if (!filtered) {
return;
}
var div = document.createElement("div");
div.className = "block " + shortty;
var h3 = document.createElement("h3");
h3.textContent = longty;
div.appendChild(h3);
var ul = document.createElement("ul");
for (var i = 0, len = filtered.length; i < len; ++i) {
var item = filtered[i];
var name = item[0];
var desc = item[1]; // can be null
var klass = shortty;
if (name === current.name && shortty === current.ty) {
klass += " current";
}
var path;
if (shortty === "mod") {
path = name + "/index.html";
} else {
path = shortty + "." + name + ".html";
}
var link = document.createElement("a");
link.href = current.relpath + path;
link.title = desc;
link.className = klass;
link.textContent = name;
var li = document.createElement("li");
li.appendChild(link);
ul.appendChild(li);
}
div.appendChild(ul);
if (sidebar) {
sidebar.appendChild(div);
}
}
block("primitive", "Primitive Types");
block("mod", "Modules");
block("macro", "Macros");
block("struct", "Structs");
block("enum", "Enums");
block("union", "Unions");
block("constant", "Constants");
block("static", "Statics");
block("trait", "Traits");
block("fn", "Functions");
block("type", "Type Definitions");
block("foreigntype", "Foreign Types");
block("keyword", "Keywords");
block("traitalias", "Trait Aliases");
// `crates{version}.js` should always be loaded before this script, so we can use it safely.
addSidebarCrates(window.ALL_CRATES);
};
window.register_implementors = function(imp) {
var implementors = document.getElementById("implementors-list");
var synthetic_implementors = document.getElementById("synthetic-implementors-list");
if (synthetic_implementors) {
// This `inlined_types` variable is used to avoid having the same implementation
// showing up twice. For example "String" in the "Sync" doc page.
//
// By the way, this is only used by and useful for traits implemented automatically
// (like "Send" and "Sync").
var inlined_types = new Set();
onEachLazy(synthetic_implementors.getElementsByClassName("impl"), function(el) {
var aliases = el.getAttribute("data-aliases");
if (!aliases) {
return;
}
aliases.split(",").forEach(function(alias) {
inlined_types.add(alias);
});
});
}
var libs = Object.getOwnPropertyNames(imp);
for (var i = 0, llength = libs.length; i < llength; ++i) {
if (libs[i] === window.currentCrate) { continue; }
var structs = imp[libs[i]];
struct_loop:
for (var j = 0, slength = structs.length; j < slength; ++j) {
var struct = structs[j];
var list = struct.synthetic ? synthetic_implementors : implementors;
if (struct.synthetic) {
for (var k = 0, stlength = struct.types.length; k < stlength; k++) {
if (inlined_types.has(struct.types[k])) {
continue struct_loop;
}
inlined_types.add(struct.types[k]);
}
}
var code = document.createElement("code");
code.innerHTML = struct.text;
onEachLazy(code.getElementsByTagName("a"), function(elem) {
var href = elem.getAttribute("href");
if (href && href.indexOf("http") !== 0) {
elem.setAttribute("href", window.rootPath + href);
}
});
var display = document.createElement("h3");
addClass(display, "impl");
display.innerHTML = "<span class=\"in-band\"><table class=\"table-display\">" +
"<tbody><tr><td><code>" + code.outerHTML + "</code></td><td></td></tr>" +
"</tbody></table></span>";
list.appendChild(display);
}
}
};
if (window.pending_implementors) {
window.register_implementors(window.pending_implementors);
}
function labelForToggleButton(sectionIsCollapsed) {
if (sectionIsCollapsed) {
// button will expand the section
return "+";
}
// button will collapse the section
// note that this text is also set in the HTML template in ../render/mod.rs
return "\u2212"; // "\u2212" is "−" minus sign
}
function toggleAllDocs() {
var innerToggle = document.getElementById(toggleAllDocsId);
if (!innerToggle) {
return;
}
var sectionIsCollapsed = false;
if (hasClass(innerToggle, "will-expand")) {
removeClass(innerToggle, "will-expand");
onEachLazy(document.getElementsByClassName("rustdoc-toggle"), function(e) {
if (!hasClass(e, "type-contents-toggle")) {
e.open = true;
}
});
innerToggle.title = "collapse all docs";
} else {
addClass(innerToggle, "will-expand");
onEachLazy(document.getElementsByClassName("rustdoc-toggle"), function(e) {
if (e.parentNode.id !== "main" ||
(!hasClass(e, "implementors-toggle") &&
!hasClass(e, "type-contents-toggle")))
{
e.open = false;
}
});
sectionIsCollapsed = true;
innerToggle.title = "expand all docs";
}
innerToggle.children[0].innerText = labelForToggleButton(sectionIsCollapsed);
}
function collapseDocs(toggle, mode) {
if (!toggle || !toggle.parentNode) {
return;
}
function adjustToggle(arg) {
return function(e) {
if (hasClass(e, "toggle-label")) {
if (arg) {
e.style.display = "inline-block";
} else {
e.style.display = "none";
}
}
if (hasClass(e, "inner")) {
e.innerHTML = labelForToggleButton(arg);
}
};
}
function implHider(addOrRemove, fullHide) {
return function(n) {
var shouldHide =
fullHide ||
hasClass(n, "method") ||
hasClass(n, "associatedconstant");
if (shouldHide || hasClass(n, "type")) {
if (shouldHide) {
if (addOrRemove) {
addClass(n, "hidden-by-impl-hider");
} else {
removeClass(n, "hidden-by-impl-hider");
}
}
var ns = n.nextElementSibling;
while (ns && (hasClass(ns, "docblock") || hasClass(ns, "item-info"))) {
if (addOrRemove) {
addClass(ns, "hidden-by-impl-hider");
} else {
removeClass(ns, "hidden-by-impl-hider");
}
ns = ns.nextElementSibling;
}
}
};
}
var relatedDoc;
var action = mode;
if (!hasClass(toggle.parentNode, "impl")) {
relatedDoc = toggle.parentNode.nextElementSibling;
if (hasClass(relatedDoc, "item-info")) {
relatedDoc = relatedDoc.nextElementSibling;
}
if (hasClass(relatedDoc, "docblock")) {
if (mode === "toggle") {
if (hasClass(relatedDoc, "hidden-by-usual-hider")) {
action = "show";
} else {
action = "hide";
}
}
if (action === "hide") {
addClass(relatedDoc, "hidden-by-usual-hider");
onEachLazy(toggle.childNodes, adjustToggle(true));
addClass(toggle.parentNode, "collapsed");
} else if (action === "show") {
removeClass(relatedDoc, "hidden-by-usual-hider");
removeClass(toggle.parentNode, "collapsed");
onEachLazy(toggle.childNodes, adjustToggle(false));
}
}
} else {
// we are collapsing the impl block(s).
var parentElem = toggle.parentNode;
relatedDoc = parentElem;
var docblock = relatedDoc.nextElementSibling;
while (!hasClass(relatedDoc, "impl-items")) {
relatedDoc = relatedDoc.nextElementSibling;
}
if (!relatedDoc && !hasClass(docblock, "docblock")) {
return;
}
// Hide all functions, but not associated types/consts.
if (mode === "toggle") {
if (hasClass(relatedDoc, "fns-now-collapsed") ||
hasClass(docblock, "hidden-by-impl-hider")) {
action = "show";
} else {
action = "hide";
}
}
var dontApplyBlockRule = toggle.parentNode.parentNode.id !== "main";
if (action === "show") {
removeClass(relatedDoc, "fns-now-collapsed");
// Stability/deprecation/portability information is never hidden.
if (!hasClass(docblock, "item-info")) {
removeClass(docblock, "hidden-by-usual-hider");
}
onEachLazy(toggle.childNodes, adjustToggle(false, dontApplyBlockRule));
onEachLazy(relatedDoc.childNodes, implHider(false, dontApplyBlockRule));
} else if (action === "hide") {
addClass(relatedDoc, "fns-now-collapsed");
// Stability/deprecation/portability information should be shown even when detailed
// info is hidden.
if (!hasClass(docblock, "item-info")) {
addClass(docblock, "hidden-by-usual-hider");
}
onEachLazy(toggle.childNodes, adjustToggle(true, dontApplyBlockRule));
onEachLazy(relatedDoc.childNodes, implHider(true, dontApplyBlockRule));
}
}
}
function collapseNonInherent(e) {
// inherent impl ids are like "impl" or impl-<number>'.
// they will never be hidden by default.
var n = e.parentElement;
if (n.id.match(/^impl(?:-\d+)?$/) === null) {
// Automatically minimize all non-inherent impls
if (hasClass(n, "impl")) {
collapseDocs(e, "hide");
}
}
}
function insertAfter(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}
(function() {
var toggles = document.getElementById(toggleAllDocsId);
if (toggles) {
toggles.onclick = toggleAllDocs;
}
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("rustdoc-toggle"), function(e) {
collapseNonInherent(e);
});
}
var blanket_list = document.getElementById("blanket-implementations-list");
if (blanket_list !== null) {
onEachLazy(blanket_list.getElementsByClassName("rustdoc-toggle"), function(e) {
collapseNonInherent(e);
});
}
if (hideMethodDocs) {
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;
}
});
}
}
var pageId = getPageId();
if (pageId !== null) {
expandSection(pageId);
}
}());
(function() {
// To avoid checking on "rustdoc-line-numbers" value on every loop...
var lineNumbersFunc = function() {};
if (getSettingValue("line-numbers") === "true") {
lineNumbersFunc = function(x) {
var count = x.textContent.split("\n").length;
var elems = [];
for (var i = 0; i < count; ++i) {
elems.push(i + 1);
}
var node = document.createElement("pre");
addClass(node, "line-number");
node.innerHTML = elems.join("\n");
x.parentNode.insertBefore(node, x);
};
}
onEachLazy(document.getElementsByClassName("rust-example-rendered"), function(e) {
if (hasClass(e, "compile_fail")) {
e.addEventListener("mouseover", function() {
this.parentElement.previousElementSibling.childNodes[0].style.color = "#f00";
});
e.addEventListener("mouseout", function() {
this.parentElement.previousElementSibling.childNodes[0].style.color = "";
});
} else if (hasClass(e, "ignore")) {
e.addEventListener("mouseover", function() {
this.parentElement.previousElementSibling.childNodes[0].style.color = "#ff9200";
});
e.addEventListener("mouseout", function() {
this.parentElement.previousElementSibling.childNodes[0].style.color = "";