From ccccd5190898ece3ac17aa3178f320d091f221df Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Sun, 12 Apr 2020 23:03:10 -0400
Subject: script: Remove undocumented and unused operator+

---
 src/script/script.h | 27 ++-------------------------
 1 file changed, 2 insertions(+), 25 deletions(-)

(limited to 'src/script')

diff --git a/src/script/script.h b/src/script/script.h
index dd2ab2f070..4902d66c1d 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -419,28 +419,15 @@ public:
         READWRITEAS(CScriptBase, *this);
     }
 
-    CScript& operator+=(const CScript& b)
-    {
-        reserve(size() + b.size());
-        insert(end(), b.begin(), b.end());
-        return *this;
-    }
-
-    friend CScript operator+(const CScript& a, const CScript& b)
-    {
-        CScript ret = a;
-        ret += b;
-        return ret;
-    }
-
     explicit CScript(int64_t b) { operator<<(b); }
-
     explicit CScript(opcodetype b)     { operator<<(b); }
     explicit CScript(const CScriptNum& b) { operator<<(b); }
     // delete non-existent constructor to defend against future introduction
     // e.g. via prevector
     explicit CScript(const std::vector<unsigned char>& b) = delete;
 
+    /** Delete non-existent operator to defend against future introduction */
+    CScript& operator<<(const CScript& b) = delete;
 
     CScript& operator<<(int64_t b) { return push_int64(b); }
 
@@ -487,15 +474,6 @@ public:
         return *this;
     }
 
-    CScript& operator<<(const CScript& b)
-    {
-        // I'm not sure if this should push the script or concatenate scripts.
-        // If there's ever a use for pushing a script onto a script, delete this member fn
-        assert(!"Warning: Pushing a CScript onto a CScript with << is probably not intended, use + to concatenate!");
-        return *this;
-    }
-
-
     bool GetOp(const_iterator& pc, opcodetype& opcodeRet, std::vector<unsigned char>& vchRet) const
     {
         return GetScriptOp(pc, end(), opcodeRet, &vchRet);
@@ -506,7 +484,6 @@ public:
         return GetScriptOp(pc, end(), opcodeRet, nullptr);
     }
 
-
     /** Encode/decode small integers: */
     static int DecodeOP_N(opcodetype opcode)
     {
-- 
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