From 8e1aa0191e519ccfbca1e300bb6c75d35d6efede Mon Sep 17 00:00:00 2001
From: Luminous-Coder <84374077+Luminous-Coder@users.noreply.github.com>
Date: Sun, 21 Aug 2022 15:09:13 +0800
Subject: [PATCH] Improve readability according to the comment

---
 src/main/java/chaos/unity/nenggao/Span.java | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/main/java/chaos/unity/nenggao/Span.java b/src/main/java/chaos/unity/nenggao/Span.java
index 8f8fc19..9ad90db 100644
--- a/src/main/java/chaos/unity/nenggao/Span.java
+++ b/src/main/java/chaos/unity/nenggao/Span.java
@@ -25,9 +25,7 @@ public boolean isIn(int line) {
      * @return offset of two position.
      */
     public int offset() {
-        if (startPosition.pos > endPosition.pos) {
-            return -1;
-        } else if (startPosition.line != endPosition.line) {
+        if (startPosition.line != endPosition.line || startPosition.pos > endPosition.pos) {
             return -1;
         }
         return endPosition.pos - startPosition.pos;