{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"///"}]}
    /// Patterns that follow, which are not like `slice` -- or an error occurs, are in `after`.
    /// this is interpreted as a sub-slice pattern semantically.
    fn lower_pat_slice(&mut self, pats: &[P<Pat>]) -> hir::PatKind<'hir> {