48     RandomVariableRange& operator=(const RandomVariableRange&) = default;  variable
65     friend RandomVariableRange operator&(const RandomVariableRange& lhs,
118     RandomVariableBase& operator=(const RandomVariableBase&) = delete;  member
156     RandomVariable& operator=(const RandomVariable& other) = default;  variable
164     bool operator==(std::nullptr_t) const { return mVar == nullptr; }
165     bool operator!=(std::nullptr_t) const { return mVar != nullptr; }
168     friend RandomVariable operator+(const RandomVariable& lhs, const RandomVariable& rhs);
169     friend RandomVariable operator-(const RandomVariable& lhs, const RandomVariable& rhs);
170     friend RandomVariable operator*(const RandomVariable& lhs, const RandomVariable& rhs);
171     friend RandomVariable operator*(const RandomVariable& lhs, const float& rhs);
172     friend RandomVariable operator/(const RandomVariable& lhs, const RandomVariable& rhs);
173     friend RandomVariable operator%(const RandomVariable& lhs, const RandomVariable& rhs);
210     DisjointNetwork& operator=(const DisjointNetwork&) = default;  variable
256     RandomVariableNetwork& operator=(const RandomVariableNetwork&) = default;  variable