From a05b6a38104c26a1ffd2eb7ed6e4e32912c856fb Mon Sep 17 00:00:00 2001
From: k-nasa <htilcs1115@gmail.com>
Date: Sat, 16 Nov 2019 01:36:53 +0900
Subject: [PATCH] fix: mutable ref

---
 src/stream/stream/unzip.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/stream/stream/unzip.rs b/src/stream/stream/unzip.rs
index 4f5dfa1..e0832ff 100644
--- a/src/stream/stream/unzip.rs
+++ b/src/stream/stream/unzip.rs
@@ -46,11 +46,9 @@ where
 
             match next {
                 Some((a, b)) => {
-                    let mut res = this.res.take().unwrap();
+                    let res = this.res.as_mut().unwrap();
                     res.0.extend(Some(a));
                     res.1.extend(Some(b));
-
-                    *this.res = Some(res);
                 }
                 None => return Poll::Ready(this.res.take().unwrap()),
             }