Avoid redundant redeclaration of 'constexpr' static data member

Summary: Avoid redundant redeclaration of 'constexpr' static data member Reviewed By: ispeters Differential Revision: D46622576 fbshipit-source-id: 7e4473d9265d41cddf698d725b78a77f5facf17a
facebook · Jun 11, 2023 · cf09290 · cf09290
1 parent cb94e9a
commit cf09290
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/folly/lang/SafeAssert.h b/folly/lang/SafeAssert.h
@@ -140,10 +140,13 @@ struct safe_assert_msg_types<safe_assert_msg_type_s<A...>> {
   using value_type = c_array<safe_assert_msg_type, sizeof...(A) + 1>;
   static constexpr value_type value = {{A..., safe_assert_msg_type::term}};
 };
+
+#if FOLLY_CPLUSPLUS < 201703L
 template <safe_assert_msg_type... A>
 constexpr
     typename safe_assert_msg_types<safe_assert_msg_type_s<A...>>::value_type
         safe_assert_msg_types<safe_assert_msg_type_s<A...>>::value;
+#endif
 
 struct safe_assert_arg {
   char const* expr;