Suppress MSVC level 4 warnings

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

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>

test/construct_from_tuple_cx.cpp

@@ -6,6 +6,11 @@
 // 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>
 

test/mp_replace_at.cpp

@@ -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>

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>

test/tuple_apply_cx.cpp

@@ -6,6 +6,11 @@
 // 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>
 

test/tuple_for_each.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>

test/tuple_for_each_cx.cpp

@@ -6,6 +6,11 @@
 // 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>