{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"cov_mark::hit!(add_explicit_type_not_applicable_if_ty_not_inferred);"}]}
        cov_mark::hit!(add_explicit_type_not_applicable_if_ty_not_inferred);
    if (ty.contains_unknown() && ty.type_arguments().count() == 0) || ty.is_closure() {
        return None;