Type Alias ExprNode

ExprNode:
    | { kind: "or"; left: ExprNode; right: ExprNode }
    | { kind: "and"; left: ExprNode; right: ExprNode }
    | { child: ExprNode; kind: "not" }
    | { kind: "comparison"; left: AtomNode; op: CmpOp; right: ValueNode }
    | { atom: AtomNode; kind: "has" }
    | { atom: AtomNode; kind: "truthy" }