From d4614204e56e518752a93e8621dadc6fabed3cd8 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sat, 6 Jan 2024 07:42:32 +0200
Subject: [PATCH] Suppress MSVC warnings

---
 include/boost/bind/bind.hpp | 9 +++++++++
 test/bind_void_test.cpp     | 2 +-
 test/protect_test2.cpp      | 6 ++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/include/boost/bind/bind.hpp b/include/boost/bind/bind.hpp
index 7600077..bda1263 100644
--- a/include/boost/bind/bind.hpp
+++ b/include/boost/bind/bind.hpp
@@ -172,6 +172,11 @@ public:
 
     list( A... a ): data_( a... ) {}
 
+#if BOOST_MSVC
+# pragma warning( push )
+# pragma warning( disable: 4100 ) // unreferenced formal parameter 'a2'
+#endif
+
     template<class R, class F, class A2, std::size_t... I> R call_impl( type<R>, F & f, A2 & a2, _bi::index_sequence<I...> )
     {
         return unwrapper<F>::unwrap( f, 0 )( a2[ std::get<I>( data_ ) ]... );
@@ -192,6 +197,10 @@ public:
         unwrapper<F>::unwrap( f, 0 )( a2[ std::get<I>( data_ ) ]... );
     }
 
+#if BOOST_MSVC
+# pragma warning( pop )
+#endif
+
     //
 
     template<class R, class F, class A2> R operator()( type<R>, F & f, A2 & a2 )
diff --git a/test/bind_void_test.cpp b/test/bind_void_test.cpp
index 37a72e0..acc53d7 100644
--- a/test/bind_void_test.cpp
+++ b/test/bind_void_test.cpp
@@ -100,7 +100,7 @@ void function_test()
 
 struct Y
 {
-    short operator()(short & r) const { return global_result = ++r; }
+    short operator()(short & r) const { return static_cast<short>( global_result = ++r ); }
     int operator()(int a, int b) const { return global_result = a + 10 * b; }
     long operator() (long a, long b, long c) const { return global_result = a + 10 * b + 100 * c; }
     void operator() (long a, long b, long c, long d) const { global_result = a + 10 * b + 100 * c + 1000 * d; }
diff --git a/test/protect_test2.cpp b/test/protect_test2.cpp
index 3ca9c46..6d17bf1 100644
--- a/test/protect_test2.cpp
+++ b/test/protect_test2.cpp
@@ -6,6 +6,12 @@
 
 #include <boost/bind/protect.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
+#include <boost/config.hpp>
+
+#if defined(BOOST_MSVC)
+# pragma warning( disable: 4510 ) // default constructor could not be generated
+# pragma warning( disable: 4610 ) // class can never be instantiated - constructor required
+#endif
 
 template<class T, class F> void test( F )
 {