From 26e2302f3b9b23508a8bf82a2d3260f34f9b8383 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Tue, 12 Dec 2017 00:34:17 +0200
Subject: [PATCH] Suppress MSVC level 4 warnings

---
 include/boost/mp11/tuple.hpp     | 9 +++++++++
 test/construct_from_tuple.cpp    | 4 ++++
 test/construct_from_tuple_cx.cpp | 7 ++++++-
 test/mp_replace_at.cpp           | 6 +++++-
 test/tuple_apply.cpp             | 4 ++++
 test/tuple_apply_cx.cpp          | 7 ++++++-
 test/tuple_for_each.cpp          | 6 +++++-
 test/tuple_for_each_cx.cpp       | 7 ++++++-
 8 files changed, 45 insertions(+), 5 deletions(-)

diff --git a/include/boost/mp11/tuple.hpp b/include/boost/mp11/tuple.hpp
index b3221f2..e4ccc61 100644
--- a/include/boost/mp11/tuple.hpp
+++ b/include/boost/mp11/tuple.hpp
@@ -16,6 +16,11 @@
 #include <type_traits>
 #include <cstddef>
 
+#if defined(BOOST_MSVC)
+# pragma warning( push )
+# pragma warning( disable: 4100 ) // unreferenced formal parameter 'tp'
+#endif
+
 namespace boost
 {
 namespace mp11
@@ -85,4 +90,8 @@ template<class Tp, class F> BOOST_CONSTEXPR F tuple_for_each( Tp && tp, F && f )
 } // namespace mp11
 } // namespace boost
 
+#if defined(BOOST_MSVC)
+# pragma warning( pop )
+#endif
+
 #endif // #ifndef BOOST_TUPLE_HPP_INCLUDED
diff --git a/test/construct_from_tuple.cpp b/test/construct_from_tuple.cpp
index d56bd3c..fc8938a 100644
--- a/test/construct_from_tuple.cpp
+++ b/test/construct_from_tuple.cpp
@@ -7,6 +7,10 @@
 // http://www.boost.org/LICENSE_1_0.txt
 
 
+#if defined(_MSC_VER)
+#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
+#endif
+
 #include <boost/mp11/tuple.hpp>
 #include <boost/core/lightweight_test.hpp>
 #include <boost/config.hpp>
diff --git a/test/construct_from_tuple_cx.cpp b/test/construct_from_tuple_cx.cpp
index 62ea3db..5c557d1 100644
--- a/test/construct_from_tuple_cx.cpp
+++ b/test/construct_from_tuple_cx.cpp
@@ -1,11 +1,16 @@
 
-//  Copyright 2015 Peter Dimov.
+// Copyright 2015 Peter Dimov.
 //
 // Distributed under the Boost Software License, Version 1.0.
 //
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
+
+#if defined(_MSC_VER)
+#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
+#endif
+
 #include <boost/mp11/tuple.hpp>
 #include <boost/config.hpp>
 
diff --git a/test/mp_replace_at.cpp b/test/mp_replace_at.cpp
index faf2289..dfd66e1 100644
--- a/test/mp_replace_at.cpp
+++ b/test/mp_replace_at.cpp
@@ -1,5 +1,5 @@
 
-//  Copyright 2015, 2017 Peter Dimov.
+// Copyright 2015, 2017 Peter Dimov.
 //
 // Distributed under the Boost Software License, Version 1.0.
 //
@@ -7,6 +7,10 @@
 // http://www.boost.org/LICENSE_1_0.txt
 
 
+#if defined(_MSC_VER)
+#pragma warning( disable: 4804 ) // '>=': unsafe use of type 'bool' in operation
+#endif
+
 #include <boost/mp11/algorithm.hpp>
 #include <boost/mp11/list.hpp>
 #include <boost/mp11/integral.hpp>
diff --git a/test/tuple_apply.cpp b/test/tuple_apply.cpp
index e178dc8..dc50959 100644
--- a/test/tuple_apply.cpp
+++ b/test/tuple_apply.cpp
@@ -7,6 +7,10 @@
 // http://www.boost.org/LICENSE_1_0.txt
 
 
+#if defined(_MSC_VER)
+#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
+#endif
+
 #include <boost/mp11/tuple.hpp>
 #include <boost/core/lightweight_test.hpp>
 #include <tuple>
diff --git a/test/tuple_apply_cx.cpp b/test/tuple_apply_cx.cpp
index 2fce51b..40201ac 100644
--- a/test/tuple_apply_cx.cpp
+++ b/test/tuple_apply_cx.cpp
@@ -1,11 +1,16 @@
 
-//  Copyright 2015 Peter Dimov.
+// Copyright 2015 Peter Dimov.
 //
 // Distributed under the Boost Software License, Version 1.0.
 //
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
+
+#if defined(_MSC_VER)
+#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
+#endif
+
 #include <boost/mp11/tuple.hpp>
 #include <boost/config.hpp>
 
diff --git a/test/tuple_for_each.cpp b/test/tuple_for_each.cpp
index c16deb9..a7e9428 100644
--- a/test/tuple_for_each.cpp
+++ b/test/tuple_for_each.cpp
@@ -1,5 +1,5 @@
 
-//  Copyright 2015 Peter Dimov.
+// Copyright 2015 Peter Dimov.
 //
 // Distributed under the Boost Software License, Version 1.0.
 //
@@ -7,6 +7,10 @@
 // http://www.boost.org/LICENSE_1_0.txt
 
 
+#if defined(_MSC_VER)
+#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
+#endif
+
 #include <boost/mp11/tuple.hpp>
 #include <boost/core/lightweight_test.hpp>
 #include <tuple>
diff --git a/test/tuple_for_each_cx.cpp b/test/tuple_for_each_cx.cpp
index f6960f6..266fffd 100644
--- a/test/tuple_for_each_cx.cpp
+++ b/test/tuple_for_each_cx.cpp
@@ -1,11 +1,16 @@
 
-//  Copyright 2015 Peter Dimov.
+// Copyright 2015 Peter Dimov.
 //
 // Distributed under the Boost Software License, Version 1.0.
 //
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
+
+#if defined(_MSC_VER)
+#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
+#endif
+
 #include <boost/mp11/tuple.hpp>
 #include <boost/config.hpp>