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Compiler Warning (level 1) C4546

Visual Studio 2010
function call before comma missing 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 C4546:

Copy 
// C4546.cpp
// compile with: /W1
#pragma warning (default : 4546)
void f(int i) {
   i++;
}

int main() {
   int i = 0, k = 0;

   if ( f, k )   // C4546
   // try the following line instead
   // if ( f(i), k )
      i++;
}
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