From 088e2e305113ef0916338036b2acf083aa17279b Mon Sep 17 00:00:00 2001
From: Benjamin Buch <benni.buch@gmail.com>
Date: Tue, 31 May 2016 01:00:20 +0200
Subject: [PATCH] Suppress a 'unused parameter' warning in
 optional_reference_spec.hpp

---
 include/boost/optional/detail/optional_reference_spec.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/optional/detail/optional_reference_spec.hpp b/include/boost/optional/detail/optional_reference_spec.hpp
index 4d1552f..105f790 100644
--- a/include/boost/optional/detail/optional_reference_spec.hpp
+++ b/include/boost/optional/detail/optional_reference_spec.hpp
@@ -122,7 +122,7 @@ public:
     
 #ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES   
  
-    optional(T&& rhs) BOOST_NOEXCEPT { detail::prevent_binding_rvalue<T&&>(); }
+    optional(T&& /* rhs */) BOOST_NOEXCEPT { detail::prevent_binding_rvalue<T&&>(); }
     
     template <class R>
         optional(R&& r, BOOST_DEDUCED_TYPENAME boost::enable_if<detail::is_no_optional<R> >::type* = 0) BOOST_NOEXCEPT