From b98c14c4e362a8e59d7a3b021651a19ea61b29dd Mon Sep 17 00:00:00 2001
From: Cory Fields <cory-nospam-@coryfields.com>
Date: Mon, 12 Sep 2016 14:38:01 -0400
Subject: serialization: teach serializers variadics

Also add a variadic CDataStream ctor for ease-of-use.
---
 src/serialize.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

(limited to 'src/serialize.h')

diff --git a/src/serialize.h b/src/serialize.h
index 1f51da82ff..82870c45b3 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -160,6 +160,7 @@ enum
 };
 
 #define READWRITE(obj)      (::SerReadWrite(s, (obj), nType, nVersion, ser_action))
+#define READWRITEMANY(...)      (::SerReadWriteMany(s, nType, nVersion, ser_action, __VA_ARGS__))
 
 /** 
  * Implement three methods for serializable objects. These are actually wrappers over
@@ -960,4 +961,52 @@ public:
     }
 };
 
+template<typename Stream>
+void SerializeMany(Stream& s, int nType, int nVersion)
+{
+}
+
+template<typename Stream, typename Arg>
+void SerializeMany(Stream& s, int nType, int nVersion, Arg&& arg)
+{
+    ::Serialize(s, std::forward<Arg>(arg), nType, nVersion);
+}
+
+template<typename Stream, typename Arg, typename... Args>
+void SerializeMany(Stream& s, int nType, int nVersion, Arg&& arg, Args&&... args)
+{
+    ::Serialize(s, std::forward<Arg>(arg), nType, nVersion);
+    ::SerializeMany(s, nType, nVersion, std::forward<Args>(args)...);
+}
+
+template<typename Stream>
+inline void UnserializeMany(Stream& s, int nType, int nVersion)
+{
+}
+
+template<typename Stream, typename Arg>
+inline void UnserializeMany(Stream& s, int nType, int nVersion, Arg& arg)
+{
+    ::Unserialize(s, arg, nType, nVersion);
+}
+
+template<typename Stream, typename Arg, typename... Args>
+inline void UnserializeMany(Stream& s, int nType, int nVersion, Arg& arg, Args&... args)
+{
+    ::Unserialize(s, arg, nType, nVersion);
+    ::UnserializeMany(s, nType, nVersion, args...);
+}
+
+template<typename Stream, typename... Args>
+inline void SerReadWriteMany(Stream& s, int nType, int nVersion, CSerActionSerialize ser_action, Args&&... args)
+{
+    ::SerializeMany(s, nType, nVersion, std::forward<Args>(args)...);
+}
+
+template<typename Stream, typename... Args>
+inline void SerReadWriteMany(Stream& s, int nType, int nVersion, CSerActionUnserialize ser_action, Args&... args)
+{
+    ::UnserializeMany(s, nType, nVersion, args...);
+}
+
 #endif // BITCOIN_SERIALIZE_H
-- 
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