134 enum class UnaryNodeOperator {  enum
145   UnaryNodeOperator Op;
149   UnaryOperationStencil(UnaryNodeOperator Op, std::string Id)  in UnaryOperationStencil()
155     case UnaryNodeOperator::Parens:  in toString()
158     case UnaryNodeOperator::Deref:  in toString()
161     case UnaryNodeOperator::MaybeDeref:  in toString()
164     case UnaryNodeOperator::AddressOf:  in toString()
167     case UnaryNodeOperator::MaybeAddressOf:  in toString()
170     case UnaryNodeOperator::Describe:  in toString()
181     if (Op == UnaryNodeOperator::Describe)  in eval()
190     case UnaryNodeOperator::Parens:  in eval()
193     case UnaryNodeOperator::Deref:  in eval()
196     case UnaryNodeOperator::MaybeDeref:  in eval()
213     case UnaryNodeOperator::AddressOf:  in eval()
216     case UnaryNodeOperator::MaybeAddressOf:  in eval()
233     case UnaryNodeOperator::Describe:  in eval()
426   return std::make_shared<UnaryOperationStencil>(UnaryNodeOperator::Parens,  in expression()
431   return std::make_shared<UnaryOperationStencil>(UnaryNodeOperator::Deref,  in deref()
436   return std::make_shared<UnaryOperationStencil>(UnaryNodeOperator::MaybeDeref,  in maybeDeref()
441   return std::make_shared<UnaryOperationStencil>(UnaryNodeOperator::AddressOf,  in addressOf()
447       UnaryNodeOperator::MaybeAddressOf, std::string(ExprId));  in maybeAddressOf()
451   return std::make_shared<UnaryOperationStencil>(UnaryNodeOperator::Describe,  in describe()