411 REFERENCE · Wikibooks
C++ Language/Std/Stl/CallableObjects/ImplicitGetterFunction
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For every data member in a class, there is an implicit getter-function (even if the programmer didn't explicitly define that as a member function):std::function<int(const CRType*)> GetMember = &CRType::m_iMember;
Additional information about implicit getter-functions (includes interactive examples)