move comparator into +find_best_match_name+ function

src/test/ui/issue-46332.rs

@@ -0,0 +1,20 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Original Levenshtein distance for both of this is 1. We improved accuracy with
+// additional case insensitive comparison.
+
+struct TyUint {}
+
+struct TyInt {}
+
+fn main() {
+    TyUInt {};
+}

src/test/ui/issue-46332.stderr

@@ -0,0 +1,8 @@
+error[E0422]: cannot find struct, variant or union type `TyUInt` in this scope
+  --> $DIR/issue-46332.rs:19:5
+   |
+19 |     TyUInt {};
+   |     ^^^^^^ did you mean `TyUint`?
+
+error: aborting due to previous error
+

src/test/ui/issue46332.rs

@@ -1,14 +0,0 @@
-// Original problem is Levenstein distance.
-
-fn TyUint() {
-    println!("TyUint");
-}
-
-fn TyInt() {
-    println!("TyInt");
-}
-
-
-fn main() {
-    TyUInt();
-}