{"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"Field(P<Expr>,"}]}
    Field(P<Expr>, Ident),
    /// Access of a named (e.g., `obj.foo`) or unnamed (e.g., `obj.0`) struct field.
    /// An indexing operation (e.g., `foo[2]`).