{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"Discriminant(ref"}]}
            Discriminant(ref place) => write!(fmt, "discriminant({place:?})"),
            UnaryOp(ref op, ref a) => write!(fmt, "{op:?}({a:?})"),
            NullaryOp(ref op, ref t) => {