Basic version of Variant type using C++11 (#599)

awslabs · Mar 1, 2024 · 52ea412 · 52ea412
1 parent 98d68a1
commit 52ea412
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diff --git a/include/aws/crt/Utility.h b/include/aws/crt/Utility.h
@@ -17,5 +17,15 @@ namespace Aws
         };
         static constexpr InPlaceT InPlace{};
 
+        template <typename T> struct InPlaceTypeT
+        {
+            explicit InPlaceTypeT() = default;
+        };
+        /** Variable templates are only available since C++14
+         *  Use a dummy object "Aws::Crt::InPlaceTypeT<T>() in-place instead in C++11"*/
+#if defined(__cplusplus) && __cplusplus > 201103L //
+        template <class T> static constexpr InPlaceTypeT<T> InPlaceType{};
+#endif
+
     } // namespace Crt
 } // namespace Aws