From 4d48c81998978f58e4386ea1e7c907ad95850694 Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Sat, 13 Mar 2021 22:28:13 +0400
Subject: [PATCH] Add move assignment operator and move constructor for the
 ESM::Variant

---
 components/esm/variant.cpp | 21 +++++++++++++++++++++
 components/esm/variant.hpp |  2 ++
 2 files changed, 23 insertions(+)

diff --git a/components/esm/variant.cpp b/components/esm/variant.cpp
index 6ff31dc442..cbcb6e0024 100644
--- a/components/esm/variant.cpp
+++ b/components/esm/variant.cpp
@@ -62,10 +62,31 @@ ESM::Variant& ESM::Variant::operator= (const Variant& variant)
     return *this;
 }
 
+ESM::Variant& ESM::Variant::operator= (Variant&& variant)
+{
+    if (&variant!=this)
+    {
+        delete mData;
+
+        mType = variant.mType;
+        mData = variant.mData;
+
+        variant.mData = nullptr;
+    }
+
+    return *this;
+}
+
 ESM::Variant::Variant (const Variant& variant)
 : mType (variant.mType), mData (variant.mData ? variant.mData->clone() : nullptr)
 {}
 
+ESM::Variant::Variant(Variant&& variant)
+: mType (variant.mType), mData (variant.mData)
+{
+    variant.mData = nullptr;
+}
+
 ESM::VarType ESM::Variant::getType() const
 {
     return mType;
diff --git a/components/esm/variant.hpp b/components/esm/variant.hpp
index 5f179a7bdc..20b3aa76ed 100644
--- a/components/esm/variant.hpp
+++ b/components/esm/variant.hpp
@@ -46,8 +46,10 @@ namespace ESM
             ~Variant();
 
             Variant& operator= (const Variant& variant);
+            Variant& operator= (Variant && variant);
 
             Variant (const Variant& variant);
+            Variant (Variant&& variant);
 
             VarType getType() const;