Compiler Error C2669


For the latest documentation on Visual Studio 2017 RC, see Visual Studio 2017 RC Documentation.

member function not allowed in anonymous union

Anonymous unions cannot have member functions.

The following sample generates C2669:

// C2669.cpp  
struct X {  
   union {  
      int i;  
      void f() {   // C2669, remove function  
         i = 0;   

Anonymous Unions