From b862bcea8e6271ba03f4a90be0749b60c9407357 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sun, 31 May 2020 21:52:08 +0800
Subject: [PATCH] ref return_ret

---
 src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index ed3ad23..eb226e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -40,8 +40,7 @@ pub fn format_human(d: Duration) -> String {
     if millis == 0 {
         return "0ms".into();
     }
-    let return_ret = |v: Vec<String>| {
-        let mut v = v;
+    let return_ret = |mut v: Vec<String>| {
         v.reverse();
         v.join(" ")
     };