Compiler Warning (level 1) C4545

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The latest version of this topic can be found at Compiler Warning (level 1) C4545.

expression before comma evaluates to a function which is missing an argument list

The compiler detected an ill-formed comma expression.

This warning is off by default. For more information, see Compiler Warnings That Are Off by Default.

The following sample generates C4545:

// C4545.cpp  
// compile with: /W1  
#pragma warning (default : 4545)  
  
void f() { }  
  
int main()  
{  
   *(&f), 10;   // C4545  
   // try the following line instead  
   // (*(&f))(), 10;  
}