Clean up.

qrm/utill.go

@@ -360,20 +360,16 @@ func cloneBytes(b []byte) []byte {
 
 func concat(stringList ...string) string {
 	var b strings.Builder
-	b.Grow(length(stringList))
+
+	var length int
+	for i := 0; i < len(stringList); i++ {
+		length += len(stringList[i])
+	}
+
+	b.Grow(length)
 
 	for _, str := range stringList {
 		b.WriteString(str)
 	}
 	return b.String()
 }
-
-func length(strings []string) int {
-	var ret int
-
-	for i := 0; i < len(strings); i++ {
-		ret += len(strings[i])
-	}
-
-	return ret
-}