in type based search, put functions first

Author: lolbinarycat

src/librustdoc/html/static/js/search.js

@@ -63,6 +63,7 @@ const TY_PRIMITIVE = itemTypes.indexOf("primitive");
 const TY_GENERIC = itemTypes.indexOf("generic");
 const TY_IMPORT = itemTypes.indexOf("import");
 const TY_TRAIT = itemTypes.indexOf("trait");
+const TY_FN = itemTypes.indexOf("fn");
 const ROOT_PATH = typeof window !== "undefined" ? window.rootPath : "../";
 
 // Hard limit on how deep to recurse into generics when doing type-driven search.
@@ -2749,6 +2750,15 @@ class DocSearch {
                     return a - b;
                 }
 
+                // in type based search, put functions first
+                if (parsedQuery.hasReturnArrow) {
+                    a = (aaa.item.ty !== TY_FN);
+                    b = (bbb.item.ty !== TY_FN);
+                    if (a !== b) {
+                        return a - b;
+                    }
+                }
+
                 // Sort by distance in the path part, if specified
                 // (less changes required to match means higher rankings)
                 a = aaa.path_dist;

tests/rustdoc-js-std/const-is-nullary-func.js

@@ -1,6 +1,7 @@
 const EXPECTED = {
     'query': '-> char',
     'others': [
+        { 'path': 'std::char', 'name': 'from_digit' },
         { 'path': 'std::char', 'name': 'MAX' },
     ],
 }