Warning C4099: type name first seen using 'class' now seen using 'struct' (MS VS 2k8)

Question

Is this warning anything to worry about? I\'ve read that it can cause erratic behaviour?

It\'s an example I\'m trying to compile, could someone explain to me why the

Answer 1

Although this is considered bad practice, I think there should be no problem mixing class definition and struct declaration, as they are basically the same data type. The main difference is that struct members are by default public, contrary to class members which are private, but otherwise the memory layout is identical.