{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"///"}]}
    /// A range (e.g., `1..2`, `1..`, `..2`, `1..=2`, `..=2`; and `..` in destructuring assignment).
    Index(P<Expr>, P<Expr>, Span),
    Range(Option<P<Expr>>, Option<P<Expr>>, RangeLimits),