Workaround MSVC bogus warning (fixes #167)

boostorg · Apr 1, 2024 · 449bf36 · 449bf36
1 parent 5f857d5
commit 449bf36
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/boost/pfr/detail/stdtuple.hpp b/include/boost/pfr/detail/stdtuple.hpp
@@ -18,20 +18,23 @@ namespace boost { namespace pfr { namespace detail {
 
 template <class T, std::size_t... I>
 constexpr auto make_stdtuple_from_tietuple(const T& t, std::index_sequence<I...>) {
+    (void)t;  // workaround for MSVC 14.1 `warning C4100: 't': unreferenced formal parameter`
     return std::make_tuple(
         boost::pfr::detail::sequence_tuple::get<I>(t)...
     );
 }
 
 template <class T, std::size_t... I>
 constexpr auto make_stdtiedtuple_from_tietuple(const T& t, std::index_sequence<I...>) noexcept {
+    (void)t;  // workaround for MSVC 14.1 `warning C4100: 't': unreferenced formal parameter`
     return std::tie(
         boost::pfr::detail::sequence_tuple::get<I>(t)...
     );
 }
 
 template <class T, std::size_t... I>
 constexpr auto make_conststdtiedtuple_from_tietuple(const T& t, std::index_sequence<I...>) noexcept {
+    (void)t;  // workaround for MSVC 14.1 `warning C4100: 't': unreferenced formal parameter`
     return std::tuple<
         std::add_lvalue_reference_t<std::add_const_t<
             std::remove_reference_t<decltype(boost::pfr::detail::sequence_tuple::get<I>(t))>