{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"//"}]}
            // No end; so `X..` behaves like `RangeFrom`.
            RangeEnd::Excluded if has_end => hir::RangeEnd::Excluded,
            RangeEnd::Excluded | RangeEnd::Included(_) => hir::RangeEnd::Included,