{"ast_node_type":"variable","tokens":[{"end":99,"kind":"keyword","start":0,"text":"let"}]}
                                let ptr_ty = TyKind::Raw(*mutbl, base_ty.clone()).intern(Interner);
                            TyKind::Ref(mutbl, _, base_ty) => {
                                _ = this.coerce(Some(expr), &ty, &ptr_ty, CoerceNever::Yes);