atcoder
diff --git a/‎cache/redis.go
Copy file name to clipboardExpand all lines: cache/redis.go
+2-2Lines changed: 2 additions & 2 deletions b/‎cache/redis.go
Copy file name to clipboardExpand all lines: cache/redis.go
+2-2Lines changed: 2 additions & 2 deletions
@@ -127,8 +127,8 @@ func (c RedisCache) Delete(key string) error {
 	conn := c.pool.Get()
 	defer conn.Close()
 	existed, err := redis.Bool(conn.Do("DEL", key))
-	if !existed {
-		return ErrCacheMiss
+	if err == nil && !existed {
+		err = ErrCacheMiss
 	}
 	return err
 }
Original file line number	Diff line number	Diff line change
`@@ -127,8 +127,8 @@ func (c RedisCache) Delete(key string) error {`
`127`	`127`	`conn := c.pool.Get()`
`128`	`128`	`defer conn.Close()`
`129`	`129`	`existed, err := redis.Bool(conn.Do("DEL", key))`
`130`		`- if !existed {`
`131`		`- return ErrCacheMiss`
	`130`	`+ if err == nil && !existed {`
	`131`	`+ err = ErrCacheMiss`
`132`	`132`	`}`
`133`	`133`	`return err`
`134`	`134`	`}`