April 19th, 2021

• Continue work on Camera Manager Implementation

• Abstract classes in #cpp are a bit more implicit than other languages
  • https://en.cppreference.com/w/cpp/language/abstract_class
  • A class / struct becomes abstract when it has a virtual member that is = 0 making it a pure virtual. Any calls to this should fail at runtime.
  • Example from the above link:

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struct Base { virtual int g(); virtual ~Base() {} };
struct A : Base {
    // OK: declares three member virtual functions, two of them pure
    virtual int f() \= 0, g() override \= 0, h();
    // OK: destructor can be pure too
    ~A() \= 0;
    // Error: pure-specifier on a function definition
    virtual int b()\=0 {}
};

• Understood a bit more about how the camera manager framework is put together. More notes over at ue-cameras