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Message: [QUOTE="JohnQ, post: 2932380"] Are a default constructor, destructor, copy constructor and assignment operator generated by the compiler for a struct if they are not explicitely defined? I think the answer is yes, because "there is no difference between a struct and a class except the public/private access specification" (and a few minor other things). When I create a class, I always start by declaring the default constructor, copy constructor and assignment operator private with no implementation. I don't do that for structs though (I consider structs like they were in C, but they really are not in the implementation as far as I know). I'm thinking that I don't handle structs the same because I trust the compiler to do the right thing in the case of structs whereas bitwise copy for a class may not be what is desired, for example. Is the above reasoning OK? Should I continue NOT declaring/defining the default stuff for structs? John [/QUOTE]