clean

chronolaw · chronolaw · commit 27ac18d6a14a · 2020-04-11T15:11:55.000+08:00
diff --git a/section5/SalesData.hpp b/section5/SalesData.hpp
@@ -57,11 +57,11 @@ class SalesData final
     SalesData() = default;
    ~SalesData() = default;
 
-    SalesData(const SalesData&) = default;
-    SalesData& operator=(const SalesData&) = default;
+    SalesData(const this_type&) = default;
+    SalesData& operator=(const this_type&) = default;
 
-    SalesData(SalesData&& s) = default;
-    SalesData& operator=(SalesData&& s) = default;
+    SalesData(this_type&& s) = default;
+    SalesData& operator=(this_type&& s) = default;
 
 private:
     string_type m_id        = "";
diff --git a/section5/SpinLock.hpp b/section5/SpinLock.hpp
@@ -11,14 +11,15 @@ BEGIN_NAMESPACE(cpp_study)
 class SpinLock final
 {
 public:
+    using this_type   = SpinLock;
     using atomic_type = std::atomic_flag;
 
 public:
     SpinLock() = default;
    ~SpinLock() = default;
 
-    SpinLock(const SpinLock&) = delete;
-    SpinLock& operator=(const SpinLock&) = delete;
+    SpinLock(const this_type&) = delete;
+    SpinLock& operator=(const this_type&) = delete;
 public:
     void lock() noexcept
     {
@@ -49,6 +50,7 @@ class SpinLock final
 class SpinLockGuard final
 {
 public:
+    using this_type      = SpinLockGuard;
     using spin_lock_type = SpinLock;
 public:
     SpinLockGuard(spin_lock_type& lock) noexcept
@@ -63,8 +65,8 @@ class SpinLockGuard final
    }
 
 public:
-    SpinLockGuard(const SpinLockGuard&) = delete;
-    SpinLockGuard& operator=(const SpinLockGuard&) = delete;
+    SpinLockGuard(const this_type&) = delete;
+    SpinLockGuard& operator=(const this_type&) = delete;
 private:
     spin_lock_type& m_lock;
 };
diff --git a/section5/Summary.hpp b/section5/Summary.hpp
@@ -28,8 +28,8 @@ class Summary final
     Summary() = default;
    ~Summary() = default;
 
-    Summary(const Summary&) = delete;
-    Summary& operator=(const Summary&) = delete;
+    Summary(const this_type&) = delete;
+    Summary& operator=(const this_type&) = delete;
 private:
     mutable lock_type   m_lock;
     map_type            m_sales;
diff --git a/section5/Zmq.hpp b/section5/Zmq.hpp
@@ -23,6 +23,9 @@ class ZmqContext final
     using zmq_socket_type   = zmq::socket_t;
     using zmq_message_type  = zmq::message_t;
 #endif
+public:
+    ZmqContext() = default;
+   ~ZmqContext() = default;
 public:
     static
     zmq_context_type& context()
