C++: Can a struct inherit from a class?

Question

I am looking at the implementation of an API that I am using.

I noticed that a struct is inheriting from a class and I paused to ponder on it...

First, I d

Answer 1

Yes. Struct can inherit from a class and vice versa. The accessibility rule is

$11.2/2- "In the absence of an access-specifier for a base class, public is assumed when the derived class is declared struct and private is assumed when the class is declared class."

EDIT 2: So you can change your class as:. Note that it is a bad idea to have public data members usually.

class user_messages {  // i also changed the name when OP was modified :)
public:   
   std::list messages;  
};