Prevent lazy iterations over DOM
This commit is contained in:
Guillaume Gomez
parent
edfe2a893e
commit
34e31830c0
@ -148,12 +148,10 @@ if (!DOMTokenList.prototype.remove) {
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var TY_PRIMITIVE = itemTypes.indexOf("primitive");
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var TY_KEYWORD = itemTypes.indexOf("keyword");
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onEach(document.getElementsByClassName("js-only"), function(e) {
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onEach(Array.prototype.slice.call(document.getElementsByClassName("js-only")), function(e) {
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removeClass(e, "js-only");
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});
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console.log('1', Date.now() - start);
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function getQueryStringParams() {
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var params = {};
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window.location.search.substring(1).split("&").
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@ -170,6 +168,8 @@ if (!DOMTokenList.prototype.remove) {
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window.history && typeof window.history.pushState === "function";
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}
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var main = document.getElementById("main");
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function highlightSourceLines(ev) {
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// If we're in mobile mode, we should add the sidebar in any case.
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hideSidebar();
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@ -190,8 +190,9 @@ if (!DOMTokenList.prototype.remove) {
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x.scrollIntoView();
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}
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}
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onEach(document.getElementsByClassName("line-numbers"), function(e) {
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onEach(e.getElementsByTagName("span"), function(i_e) {
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onEach(Array.prototype.slice.call(document.getElementsByClassName("line-numbers")),
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function(e) {
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onEach(Array.prototype.slice.call(e.getElementsByTagName("span")), function(i_e) {
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removeClass(i_e, "line-highlighted");
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});
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});
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@ -200,7 +201,7 @@ if (!DOMTokenList.prototype.remove) {
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}
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} else if (ev !== null && search && !hasClass(search, "hidden") && ev.newURL) {
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addClass(search, "hidden");
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removeClass(document.getElementById("main"), "hidden");
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removeClass(main, "hidden");
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var hash = ev.newURL.slice(ev.newURL.indexOf("#") + 1);
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if (browserSupportsHistoryApi()) {
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history.replaceState(hash, "", "?search=#" + hash);
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@ -233,8 +234,6 @@ if (!DOMTokenList.prototype.remove) {
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highlightSourceLines(null);
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window.onhashchange = highlightSourceLines;
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console.log('2', Date.now() - start);
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// Gets the human-readable string for the virtual-key code of the
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// given KeyboardEvent, ev.
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//
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@ -279,7 +278,7 @@ if (!DOMTokenList.prototype.remove) {
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} else if (hasClass(search, "hidden") === false) {
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ev.preventDefault();
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addClass(search, "hidden");
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removeClass(document.getElementById("main"), "hidden");
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removeClass(main, "hidden");
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document.title = titleBeforeSearch;
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}
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defocusSearchBar();
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@ -407,8 +406,6 @@ if (!DOMTokenList.prototype.remove) {
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};
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}
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console.log('3', Date.now() - start);
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/**
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* A function to compute the Levenshtein distance between two strings
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* Licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported
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@ -1183,7 +1180,7 @@ if (!DOMTokenList.prototype.remove) {
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dst = dst[0];
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if (window.location.pathname === dst.pathname) {
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addClass(document.getElementById("search"), "hidden");
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removeClass(document.getElementById("main"), "hidden");
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removeClass(main, "hidden");
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document.location.href = dst.href;
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}
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};
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@ -1411,7 +1408,7 @@ if (!DOMTokenList.prototype.remove) {
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"</div><div id=\"results\">" +
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ret_others[0] + ret_in_args[0] + ret_returned[0] + "</div>";
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addClass(document.getElementById("main"), "hidden");
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addClass(main, "hidden");
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var search = document.getElementById("search");
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removeClass(search, "hidden");
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search.innerHTML = output;
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@ -1421,7 +1418,7 @@ if (!DOMTokenList.prototype.remove) {
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td_width = tds[0].offsetWidth;
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}
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var width = search.offsetWidth - 40 - td_width;
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onEach(search.getElementsByClassName("desc"), function(e) {
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onEach(Array.prototype.slice.call(search.getElementsByClassName("desc")), function(e) {
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e.style.width = width + "px";
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});
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initSearchNav();
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@ -1619,7 +1616,6 @@ if (!DOMTokenList.prototype.remove) {
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if (browserSupportsHistoryApi()) {
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history.replaceState("", "std - Rust", "?search=");
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}
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var main = document.getElementById("main");
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if (hasClass(main, "content")) {
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removeClass(main, "hidden");
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}
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@ -1666,7 +1662,6 @@ if (!DOMTokenList.prototype.remove) {
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// When browsing back from search results the main page
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// visibility must be reset.
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if (!params.search) {
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var main = document.getElementById("main");
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if (hasClass(main, "content")) {
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removeClass(main, "hidden");
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}
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@ -1862,8 +1857,6 @@ if (!DOMTokenList.prototype.remove) {
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window.register_implementors(window.pending_implementors);
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}
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console.log('4', Date.now() - start);
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function labelForToggleButton(sectionIsCollapsed) {
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if (sectionIsCollapsed) {
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// button will expand the section
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@ -1889,31 +1882,35 @@ if (!DOMTokenList.prototype.remove) {
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}
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function toggleAllDocs(pageId, fromAutoCollapse) {
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var toggle = document.getElementById("toggle-all-docs");
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if (!toggle) {
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var innerToggle = document.getElementById("toggle-all-docs");
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if (!innerToggle) {
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return;
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}
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if (hasClass(toggle, "will-expand")) {
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if (hasClass(innerToggle, "will-expand")) {
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updateLocalStorage("rustdoc-collapse", "false");
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removeClass(toggle, "will-expand");
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onEveryMatchingChild(toggle, "inner", function(e) {
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removeClass(innerToggle, "will-expand");
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onEveryMatchingChild(innerToggle, "inner", function(e) {
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e.innerHTML = labelForToggleButton(false);
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});
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toggle.title = "collapse all docs";
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innerToggle.title = "collapse all docs";
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if (fromAutoCollapse !== true) {
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onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
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onEach(Array.prototype.slice.call(
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document.getElementsByClassName("collapse-toggle")),
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function(e) {
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collapseDocs(e, "show");
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});
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}
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} else {
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updateLocalStorage("rustdoc-collapse", "true");
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addClass(toggle, "will-expand");
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onEveryMatchingChild(toggle, "inner", function(e) {
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addClass(innerToggle, "will-expand");
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onEveryMatchingChild(innerToggle, "inner", function(e) {
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e.innerHTML = labelForToggleButton(true);
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});
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toggle.title = "expand all docs";
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innerToggle.title = "expand all docs";
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if (fromAutoCollapse !== true) {
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onEach(document.getElementsByClassName("collapse-toggle"), function(e) {
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onEach(Array.prototype.slice.call(
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document.getElementsByClassName("collapse-toggle")),
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function(e) {
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collapseDocs(e, "hide", pageId);
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});
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}
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@ -1987,12 +1984,12 @@ if (!DOMTokenList.prototype.remove) {
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}
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if (action === "hide") {
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addClass(relatedDoc, "hidden-by-usual-hider");
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onEach(toggle.childNodes, adjustToggle(true));
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onEach(Array.prototype.slice.call(toggle.childNodes), adjustToggle(true));
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addClass(toggle.parentNode, "collapsed");
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} else if (action === "show") {
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removeClass(relatedDoc, "hidden-by-usual-hider");
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removeClass(toggle.parentNode, "collapsed");
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onEach(toggle.childNodes, adjustToggle(false));
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onEach(Array.prototype.slice.call(toggle.childNodes), adjustToggle(false));
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}
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}
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} else {
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@ -2025,13 +2022,13 @@ if (!DOMTokenList.prototype.remove) {
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if (action === "show") {
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removeClass(relatedDoc, "fns-now-collapsed");
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removeClass(docblock, "hidden-by-usual-hider");
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onEach(toggle.childNodes, adjustToggle(false));
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onEach(relatedDoc.childNodes, implHider(false));
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onEach(Array.prototype.slice.call(toggle.childNodes), adjustToggle(false));
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onEach(Array.prototype.slice.call(relatedDoc.childNodes), implHider(false));
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} else if (action === "hide") {
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addClass(relatedDoc, "fns-now-collapsed");
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addClass(docblock, "hidden-by-usual-hider");
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onEach(toggle.childNodes, adjustToggle(true));
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onEach(relatedDoc.childNodes, implHider(true));
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onEach(Array.prototype.slice.call(toggle.childNodes), adjustToggle(true));
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onEach(Array.prototype.slice.call(relatedDoc.childNodes), implHider(true));
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}
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}
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}
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@ -2055,7 +2052,9 @@ if (!DOMTokenList.prototype.remove) {
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var impl_list = document.getElementById("implementations-list");
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if (impl_list !== null) {
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onEach(impl_list.getElementsByClassName("collapse-toggle"), collapser);
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onEach(Array.prototype.slice.call(
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impl_list.getElementsByClassName("collapse-toggle")),
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collapser);
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}
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}
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}
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@ -2069,30 +2068,30 @@ if (!DOMTokenList.prototype.remove) {
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referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
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}
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var toggle = document.createElement("a");
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toggle.href = "javascript:void(0)";
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toggle.className = "collapse-toggle";
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toggle.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(false) + "</span>]";
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function createSimpleToggle(sectionIsCollapsed) {
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var toggle = document.createElement("a");
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toggle.href = "javascript:void(0)";
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toggle.className = "collapse-toggle";
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toggle.innerHTML = "[<span class=\"inner\">" + labelForToggleButton(sectionIsCollapsed) +
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"</span>]";
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return toggle;
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}
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var toggle = createSimpleToggle(false);
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var func = function(e) {
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var next = e.nextElementSibling;
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if (next && hasClass(e, "impl") && hasClass(next, "docblock")) {
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next = next.nextElementSibling;
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}
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if (!next) {
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return;
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}
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if ((hasClass(e, "method") || hasClass(e, "associatedconstant") ||
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next.getElementsByClassName("method").length > 0) &&
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(hasClass(next, "docblock") ||
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hasClass(e, "impl") ||
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(hasClass(next, "stability") &&
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hasClass(next.nextElementSibling, "docblock")))) {
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if (hasClass(next, "docblock") ||
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(hasClass(next, "stability") &&
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hasClass(next.nextElementSibling, "docblock"))) {
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insertAfter(toggle.cloneNode(true), e.childNodes[e.childNodes.length - 1]);
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}
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};
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var func2 = function(e) {
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var funcImpl = function(e) {
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var next = e.nextElementSibling;
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if (next && hasClass(next, "docblock")) {
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next = next.nextElementSibling;
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@ -2105,13 +2104,9 @@ if (!DOMTokenList.prototype.remove) {
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}
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};
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console.log('5', Date.now() - start);
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onEach(document.getElementsByClassName("method"), func);
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console.log('6', Date.now() - start);
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onEach(document.getElementsByClassName("associatedconstant"), func);
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console.log('7', Date.now() - start);
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onEach(document.getElementsByClassName("impl"), func2 );
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console.log('8', Date.now() - start);
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onEach(Array.prototype.slice.call(document.getElementsByClassName("method")), func);
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onEach(Array.prototype.slice.call(document.getElementsByClassName("associatedconstant")), func);
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onEach(Array.prototype.slice.call(document.getElementsByClassName("impl")), funcImpl);
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var impl_call = function() {};
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if (getCurrentValue("rustdoc-method-docs") !== "false") {
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impl_call = function(e, newToggle, pageId) {
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@ -2132,7 +2127,8 @@ if (!DOMTokenList.prototype.remove) {
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function toggleClicked() {
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if (hasClass(this, "collapsed")) {
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removeClass(this, "collapsed");
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onEach(this.parentNode.getElementsByClassName("hidden"), function(x) {
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onEach(Array.prototype.slice.call(this.parentNode.getElementsByClassName("hidden")),
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function(x) {
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if (hasClass(x, "content") === false) {
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removeClass(x, "hidden");
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addClass(x, "x");
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@ -2142,7 +2138,8 @@ if (!DOMTokenList.prototype.remove) {
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"</span>] Hide undocumented items";
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} else {
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addClass(this, "collapsed");
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onEach(this.parentNode.getElementsByClassName("x"), function(x) {
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onEach(Array.prototype.slice.call(this.parentNode.getElementsByClassName("x")),
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function(x) {
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if (hasClass(x, "content") === false) {
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addClass(x, "hidden");
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removeClass(x, "x");
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@ -2152,8 +2149,8 @@ if (!DOMTokenList.prototype.remove) {
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"</span>] Show hidden undocumented items";
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}
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}
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onEach(document.getElementsByClassName("impl-items"), function(e) {
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onEach(e.getElementsByClassName("associatedconstant"), func);
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onEach(Array.prototype.slice.call(document.getElementsByClassName("impl-items")), function(e) {
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onEach(Array.prototype.slice.call(e.getElementsByClassName("associatedconstant")), func);
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var hiddenElems = e.getElementsByClassName("hidden");
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var needToggle = false;
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@ -2166,13 +2163,12 @@ if (!DOMTokenList.prototype.remove) {
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}
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}
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if (needToggle === true) {
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var toggle = newToggle.cloneNode(true);
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toggle.onclick = toggleClicked;
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e.insertBefore(toggle, e.firstChild);
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impl_call(e, toggle, pageId);
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var inner_toggle = newToggle.cloneNode(true);
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inner_toggle.onclick = toggleClicked;
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e.insertBefore(inner_toggle, e.firstChild);
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impl_call(e, inner_toggle, pageId);
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}
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});
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console.log('9', Date.now() - start);
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function createToggle(otherMessage, fontSize, extraClass, show) {
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var span = document.createElement("span");
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@ -2214,15 +2210,18 @@ if (!DOMTokenList.prototype.remove) {
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if (hasClass(e, "autohide")) {
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var wrap = e.previousElementSibling;
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if (wrap && hasClass(wrap, "toggle-wrapper")) {
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var toggle = wrap.childNodes[0];
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var inner_toggle = wrap.childNodes[0];
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var extra = e.childNodes[0].tagName === "H3";
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e.style.display = "none";
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addClass(wrap, "collapsed");
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onEach(toggle.getElementsByClassName("inner"), function(e) {
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onEach(Array.prototype.slice.call(inner_toggle.getElementsByClassName("inner")),
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function(e) {
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e.innerHTML = labelForToggleButton(true);
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});
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onEach(toggle.getElementsByClassName("toggle-label"), function(e) {
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onEach(Array.prototype.slice.call(
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inner_toggle.getElementsByClassName("toggle-label")),
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function(e) {
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e.style.display = "inline-block";
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if (extra === true) {
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i_e.innerHTML = " Show " + e.childNodes[0].innerHTML;
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@ -2269,11 +2268,36 @@ if (!DOMTokenList.prototype.remove) {
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}
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}
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console.log('10', Date.now() - start);
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onEach(document.getElementsByClassName("docblock"), buildToggleWrapper);
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console.log('11', Date.now() - start);
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onEach(document.getElementsByClassName("sub-variant"), buildToggleWrapper);
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console.log('12', Date.now() - start);
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onEach(Array.prototype.slice.call(document.getElementsByClassName("docblock")),
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buildToggleWrapper);
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onEach(Array.prototype.slice.call(document.getElementsByClassName("sub-variant")),
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buildToggleWrapper);
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// In the search display, allows to switch between tabs.
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function printTab(nb) {
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if (nb === 0 || nb === 1 || nb === 2) {
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currentTab = nb;
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}
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var nb_copy = nb;
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onEach(Array.prototype.slice.call(document.getElementById("titles").childNodes),
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function(elem) {
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if (nb_copy === 0) {
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addClass(elem, "selected");
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} else {
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removeClass(elem, "selected");
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}
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nb_copy -= 1;
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});
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onEach(Array.prototype.slice.call(document.getElementById("results").childNodes),
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function(elem) {
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if (nb === 0) {
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elem.style.display = "";
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} else {
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elem.style.display = "none";
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}
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nb -= 1;
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});
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}
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function createToggleWrapper(tog) {
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var span = document.createElement("span");
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@ -2288,30 +2312,6 @@ if (!DOMTokenList.prototype.remove) {
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return wrapper;
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}
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// In the search display, allows to switch between tabs.
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function printTab(nb) {
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if (nb === 0 || nb === 1 || nb === 2) {
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currentTab = nb;
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}
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var nb_copy = nb;
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onEach(document.getElementById("titles").childNodes, function(elem) {
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if (nb_copy === 0) {
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addClass(elem, "selected");
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} else {
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removeClass(elem, "selected");
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}
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nb_copy -= 1;
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});
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onEach(document.getElementById("results").childNodes, function(elem) {
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if (nb === 0) {
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elem.style.display = "";
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} else {
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elem.style.display = "none";
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}
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nb -= 1;
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});
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}
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// To avoid checking on "rustdoc-item-attributes" value on every loop...
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var itemAttributesFunc = function() {};
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if (getCurrentValue("rustdoc-item-attributes") !== "false") {
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@ -2319,11 +2319,11 @@ if (!DOMTokenList.prototype.remove) {
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collapseDocs(x.previousSibling.childNodes[0], "toggle");
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};
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}
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onEach(document.getElementById("main").getElementsByClassName("attributes"), function(i_e) {
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i_e.parentNode.insertBefore(createToggleWrapper(toggle.cloneNode(true)), i_e);
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var attributesToggle = createToggleWrapper(createSimpleToggle(false));
|
||||
onEach(Array.prototype.slice.call(main.getElementsByClassName("attributes")), function(i_e) {
|
||||
i_e.parentNode.insertBefore(attributesToggle.cloneNode(true), i_e);
|
||||
itemAttributesFunc(i_e);
|
||||
});
|
||||
console.log('12a', Date.now() - start);
|
||||
|
||||
// To avoid checking on "rustdoc-line-numbers" value on every loop...
|
||||
var lineNumbersFunc = function() {};
|
||||
@ -2340,8 +2340,8 @@ if (!DOMTokenList.prototype.remove) {
|
||||
x.parentNode.insertBefore(node, x);
|
||||
};
|
||||
}
|
||||
console.log('13', Date.now() - start);
|
||||
onEach(document.getElementsByClassName("rust-example-rendered"), function(e) {
|
||||
onEach(Array.prototype.slice.call(document.getElementsByClassName("rust-example-rendered")),
|
||||
function(e) {
|
||||
if (hasClass(e, "compile_fail")) {
|
||||
e.addEventListener("mouseover", function(event) {
|
||||
this.parentElement.previousElementSibling.childNodes[0].style.color = "#f00";
|
||||
@ -2359,7 +2359,6 @@ if (!DOMTokenList.prototype.remove) {
|
||||
}
|
||||
lineNumbersFunc(e);
|
||||
});
|
||||
console.log('14', Date.now() - start);
|
||||
|
||||
function showModal(content) {
|
||||
var modal = document.createElement("div");
|
||||
@ -2380,16 +2379,16 @@ if (!DOMTokenList.prototype.remove) {
|
||||
}
|
||||
}
|
||||
|
||||
onEach(document.getElementsByClassName("important-traits"), function(e) {
|
||||
onEach(Array.prototype.slice.call(document.getElementsByClassName("important-traits")),
|
||||
function(e) {
|
||||
e.onclick = function() {
|
||||
showModal(e.lastElementChild.innerHTML);
|
||||
};
|
||||
});
|
||||
console.log('15', Date.now() - start);
|
||||
|
||||
function putBackSearch(search_input) {
|
||||
if (search_input.value !== "") {
|
||||
addClass(document.getElementById("main"), "hidden");
|
||||
addClass(main, "hidden");
|
||||
removeClass(document.getElementById("search"), "hidden");
|
||||
if (browserSupportsHistoryApi()) {
|
||||
history.replaceState(search_input.value,
|
||||
@ -2407,7 +2406,7 @@ if (!DOMTokenList.prototype.remove) {
|
||||
|
||||
var params = getQueryStringParams();
|
||||
if (params && params.search) {
|
||||
addClass(document.getElementById("main"), "hidden");
|
||||
addClass(main, "hidden");
|
||||
var search = document.getElementById("search");
|
||||
removeClass(search, "hidden");
|
||||
search.innerHTML = "<h3 style=\"text-align: center;\">Loading search results...</h3>";
|
||||
@ -2429,23 +2428,18 @@ if (!DOMTokenList.prototype.remove) {
|
||||
hideSidebar();
|
||||
};
|
||||
|
||||
console.log('16', Date.now() - start);
|
||||
autoCollapse(getPageId(), getCurrentValue("rustdoc-collapse") === "true");
|
||||
console.log('17', Date.now() - start);
|
||||
|
||||
if (window.location.hash && window.location.hash.length > 0) {
|
||||
expandSection(window.location.hash.replace(/^#/, ""));
|
||||
}
|
||||
|
||||
var main = document.getElementById("main");
|
||||
if (main) {
|
||||
console.log('18', Date.now() - start);
|
||||
onEach(main.childNodes, function(e) {
|
||||
onEach(Array.prototype.slice.call(main.childNodes), function(e) {
|
||||
if (e.tagName === "H2" || e.tagName === "H3") {
|
||||
e.nextElementSibling.style.display = "block";
|
||||
}
|
||||
});
|
||||
console.log('19', Date.now() - start);
|
||||
}
|
||||
|
||||
function addSearchOptions(crates) {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user