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Compiler Error C2264

Error Message

'function' : error in function definition or declaration; function not called

The function cannot be called due to an incorrect definition or declaration.

The following sample generates C2264:

// C2264.cpp
struct C {
   // Delete the following line to resolve.
   operator int(int = 0){}   // incorrect declaration

struct D {
   operator int(){return 0;}   // OK

int main() {
   int i;

   C c;
   i = c;   // C2264

   D d;
   i = d;   // OK