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Fix null synthetic_implementors error #68598

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merged 1 commit into from
Jan 29, 2020
Merged

Fix null synthetic_implementors error #68598

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30 changes: 16 additions & 14 deletions src/librustdoc/html/static/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1895,21 +1895,23 @@ function getSearchElement() {
var implementors = document.getElementById("implementors-list");
var synthetic_implementors = document.getElementById("synthetic-implementors-list");

// 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("aliases");
if (!aliases) {
return;
}
aliases.split(",").forEach(function(alias) {
inlined_types.add(alias);
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("aliases");
if (!aliases) {
return;
}
aliases.split(",").forEach(function(alias) {
inlined_types.add(alias);
});
});
});
}

var libs = Object.getOwnPropertyNames(imp);
var llength = libs.length;
Expand Down