From 792a9b3339ff1de9a9e84163db0b61075c1161f0 Mon Sep 17 00:00:00 2001
From: mutouyun <orz@orzz.org>
Date: Thu, 31 Oct 2019 23:34:00 +0800
Subject: [PATCH] fix compilation error

---
 src/memory/allocator_wrapper.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/memory/allocator_wrapper.h b/src/memory/allocator_wrapper.h
index ebf87eb..8b066ba 100755
--- a/src/memory/allocator_wrapper.h
+++ b/src/memory/allocator_wrapper.h
@@ -61,6 +61,11 @@ public:
     allocator_wrapper(allocator_wrapper<U, AllocP> && rhs) noexcept : alloc_(std::move(rhs.alloc_)) {}
     allocator_wrapper(alloc_policy                 && rhs) noexcept : alloc_(std::move(rhs)) {}
 
+    allocator_wrapper& operator=(allocator_wrapper && rhs) noexcept {
+        alloc_ = std::move(rhs.alloc_);
+        return *this;
+    }
+
 public:
     // the other type of std_allocator
     template <typename U>