{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
        let refs_can_coerce = |lhs: Ty<'tcx>, rhs: Ty<'tcx>| {
        let rhs_ty = self.check_expr(rhs);
            let lhs = Ty::new_imm_ref(self.tcx, self.tcx.lifetimes.re_erased, lhs.peel_refs());