{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"self.typeck_results.borrow().node_type_opt(elem.hir_id).filter(|ty|"}]}
            self.typeck_results.borrow().node_type_opt(elem.hir_id).filter(|ty| !ty.is_never()).map(
        let check_in_progress = |elem: &hir::Expr<'_>| {
                |_| match elem.kind {