| UnaryNode(NodeType nodeType_, const Span& span_) | 
| UnaryNode(NodeType nodeType_, const Span& span_, Node* subject_) | 
| void | Read(AstReader& reader) override | 
| void | SetFullSpan() override | 
| const Node* | Subject() const | 
| Node* | Subject() | 
| void | Write(AstWriter& writer) override | 
| std::unique_ptr<Node> | subject |