From cee94e9fcb957cf5d7557242027d39a5104c7265 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Wed, 19 Apr 2017 09:20:31 +0100
Subject: [PATCH] Fix unused parameter warning

---
 include/boost/unordered/detail/implementation.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/boost/unordered/detail/implementation.hpp b/include/boost/unordered/detail/implementation.hpp
index 95502fe0..0d2e4a1b 100644
--- a/include/boost/unordered/detail/implementation.hpp
+++ b/include/boost/unordered/detail/implementation.hpp
@@ -1492,8 +1492,7 @@ construct_from_args(Alloc& alloc, std::pair<A, B>* address, BOOST_FWD_REF(A0),
 // Construct from variadic parameters
 
 template <typename Alloc, typename T, typename... Args>
-inline void construct_from_args(
-    Alloc& alloc, T* address, BOOST_FWD_REF(Args)... args)
+inline void construct_from_args(Alloc&, T* address, BOOST_FWD_REF(Args)... args)
 {
     new ((void*)address) T(boost::forward<Args>(args)...);
 }