From 84547fa6d408bdda1685f6d5972232bb19d97a7d Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Wed, 18 Jul 2018 17:52:43 -0700
Subject: Avoid creating a temporary vector for size-prefixed elements

---
 src/serialize.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/serialize.h')

diff --git a/src/serialize.h b/src/serialize.h
index df3b47ba87..627225b6ef 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -991,4 +991,12 @@ size_t GetSerializeSize(const S& s, const T& t)
     return (CSizeComputer(s.GetType(), s.GetVersion()) << t).size();
 }
 
+template <typename S, typename... T>
+size_t GetSerializeSizeMany(const S& s, const T&... t)
+{
+    CSizeComputer sc(s.GetType(), s.GetVersion());
+    SerializeMany(sc, t...);
+    return sc.size();
+}
+
 #endif // BITCOIN_SERIALIZE_H
-- 
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