Unoverloadable C++ operators

c++, operator-overloading

Solution

From Wikipedia:

Operator Name                           Syntax
Bind pointer to member by reference     a.*b
Member                                  a.b
Scope resolution                        a::b
Size of                                 sizeof(a)
Ternary                                 a ? b : c
Type identification                     typeid(a)

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Problem

What operators can not be overloaded in C++?

Original source