1// Copyright (C) 2019 T. Zachary Laine
2//
3// Distributed under the Boost Software License, Version 1.0. (See
4// accompanying file LICENSE_1_0.txt or copy at
5// http://www.boost.org/LICENSE_1_0.txt)
6#ifndef BOOST_STL_INTERFACES_ILL_FORMED_HPP
7#define BOOST_STL_INTERFACES_ILL_FORMED_HPP
8
9#include <boost/stl_interfaces/iterator_interface.hpp>
10
11
12template<template<class...> class Template, typename... Args>
13using ill_formed = std::integral_constant<
14 bool,
15 !boost::stl_interfaces::detail::detector<void, Template, Args...>::value>;
16
17#endif
18

source code of boost/libs/stl_interfaces/test/ill_formed.hpp