Method operator+

01.12-testingRequirements0/main.cpp:52–56

#C Operator plus with invalid return type

  // #C Operator plus with invalid return type
  int operator+(const Stub& rhs) noexcept(nexcept)
    requires(operatorPlus && not validReturnType)
  {
    return {};
  }
};

// #D Create the different stubs from the class template