|public access specifier||No restrictions on member access|
access-specifier := public
The public keyword can be used within a class definition (followed by a colon) to mark subsequent member declarations as public or before a base-class name in the class header to mark the inheritance as public. The default access level of a struct is public, both for members and base classes.
Public members can be used freely by any other class or function.
Public inheritance means all members of the base class retain their accessibility levels.
See private for an example.
class, private, protected, struct, Chapter 6