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/*!
@file
Defines `boost::hana::detail::wrong`.
@copyright Louis Dionne 2013-2017
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_HANA_DETAIL_WRONG_HPP
#define BOOST_HANA_DETAIL_WRONG_HPP
#include <boost/hana/config.hpp>
#include <type_traits>
BOOST_HANA_NAMESPACE_BEGIN namespace detail {
//! @ingroup group-detail
//! Equivalent to a type-dependent `std::false_type`.
//!
//! This is useful for making a static assertion that would otherwise
//! always fire up dependent on some template parameters.
//!
//!
//! Example
//! -------
//! @include example/detail/wrong.cpp
template <typename ...>
struct wrong : std::false_type { };
} BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_DETAIL_WRONG_HPP
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