{"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
        let ref_place = self.new_temp(ref_ty);
        let ref_ty = Ty::new_mut_ref(tcx, tcx.lifetimes.re_erased, ty);
        let unit_temp = Place::from(self.new_temp(tcx.types.unit));