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-rw-r--r--src/common/Utilities/Util.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/common/Utilities/Util.h b/src/common/Utilities/Util.h
index a68c4d0fc66..c61036d13ef 100644
--- a/src/common/Utilities/Util.h
+++ b/src/common/Utilities/Util.h
@@ -580,6 +580,18 @@ constexpr typename std::underlying_type<E>::type AsUnderlyingType(E enumValue)
return static_cast<typename std::underlying_type<E>::type>(enumValue);
}
+template<typename Ret, typename Only>
+Ret* Coalesce(Only* arg)
+{
+ return arg;
+}
+
+template<typename Ret, typename T1, typename... T>
+Ret* Coalesce(T1* first, T*... rest)
+{
+ return static_cast<Ret*>(first ? static_cast<Ret*>(first) : Coalesce<Ret>(rest...));
+}
+
template<typename T>
struct NonDefaultConstructible
{