{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"if"}]}
        if let pprust_hir::Nested::Body(id) = nested {
        let old_maybe_typeck_results = self.maybe_typeck_results.get();
            self.maybe_typeck_results.set(Some(self.tcx.typeck_body(id)));