Add a macro to allow default move copy constructor and assignment operator above VS2013.

2018-09-05 15:41:16 +08:00
parent 74172b5b0c
commit cff4888182
2 changed files with 24 additions and 1 deletions
@@ -6,6 +6,18 @@
 // -----------------------------------------------------------------------------
 // Macros

+// Does the compiler support "= default" for move copy constructor and
+// assignment operator?
+#ifdef _MSC_VER
+  #if _MSC_VER <= 1800  // VS 2013
+    #define WEBCC_DEFAULT_MOVE_COPY_ASSIGN 0
+  #else
+    #define WEBCC_DEFAULT_MOVE_COPY_ASSIGN 1
+  #endif  // _MSC_VER <= 1800
+#else
+  #define WEBCC_DEFAULT_MOVE_COPY_ASSIGN 1
+#endif  // _MSC_VER
+
 // Explicitly declare the copy constructor and assignment operator as deleted.
 #define DELETE_COPY_AND_ASSIGN(TypeName) \
  TypeName(const TypeName&) = delete; \