{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
        // Avoid `in`. Due to recovery in the list parser this messes with `for ( $pat in $expr )`.
        && !self.token.is_path_segment_keyword() // Avoid e.g. `Self` as it is a path.
        && !self.token.is_keyword(kw::In)