util: clean up MemoizeStr function (pingcap#11450)

cqlxcnp · Jul 26, 2019 · e220499 · e220499
1 parent 85c790e
commit e220499
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/util/stringutil/string_util.go b/util/stringutil/string_util.go
@@ -262,13 +262,8 @@ func (l stringerFunc) String() string {
 
 // MemoizeStr returns memoized version of stringFunc.
 func MemoizeStr(l func() string) fmt.Stringer {
-	var result string
 	return stringerFunc(func() string {
-		if result != "" {
-			return result
-		}
-		result = l()
-		return result
+		return l()
 	})
 }