From 93b5fa198cea868f81bc912ebd5c3e6efc24c725 Mon Sep 17 00:00:00 2001
From: Amos Bird <amosbird@gmail.com>
Date: Thu, 27 Sep 2018 08:47:03 +0800
Subject: [PATCH] Update threaded_queue.h (#82)

https://en.cppreference.com/w/cpp/language/fold
---
 src/threaded_queue.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/threaded_queue.h b/src/threaded_queue.h
index a16568e5..ccafc443 100644
--- a/src/threaded_queue.h
+++ b/src/threaded_queue.h
@@ -36,8 +36,7 @@ private:
   }
 
   template <size_t... Is> void unlock_impl(std::index_sequence<Is...>) {
-    (void)std::initializer_list<int>{
-        (std::get<Is>(tuple_)->mutex_.unlock(), 0)...};
+    (std::get<Is>(tuple_)->mutex_.unlock(), ...);
   }
 
   std::tuple<Queue...> tuple_;