{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"Some(TyKind::Array(st,"}]}
            Some(TyKind::Array(st, _) | TyKind::Slice(st)) => st.clone(),
        let elem_ty = match expected.to_option(&mut self.table).as_ref().map(|t| t.kind(Interner)) {
            _ => self.table.new_type_var(),