serialization: teach serializers variadics

Also add a variadic CDataStream ctor for ease-of-use.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/streams.h b/src/streams.h
index 7132364eb1..fa001c112a 100644
--- a/src/streams.h
+++ b/src/streams.h
@@ -112,6 +112,13 @@ public:
         Init(nTypeIn, nVersionIn);
     }
 
+    template <typename... Args>
+    CDataStream(int nTypeIn, int nVersionIn, Args&&... args)
+    {
+        Init(nTypeIn, nVersionIn);
+        ::SerializeMany(*this, nType, nVersion, std::forward<Args>(args)...);
+    }
+
     void Init(int nTypeIn, int nVersionIn)
     {
         nReadPos = 0;