mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-23 05:13:04 +03:00
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
/*!
|
|
@file
|
|
Defines `boost::hana::erase_key`.
|
|
|
|
@copyright Louis Dionne 2013-2016
|
|
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_ERASE_KEY_HPP
|
|
#define BOOST_HANA_ERASE_KEY_HPP
|
|
|
|
#include <boost/hana/fwd/erase_key.hpp>
|
|
|
|
#include <boost/hana/config.hpp>
|
|
#include <boost/hana/core/dispatch.hpp>
|
|
|
|
|
|
BOOST_HANA_NAMESPACE_BEGIN
|
|
//! @cond
|
|
template <typename Set, typename ...Args>
|
|
constexpr decltype(auto) erase_key_t::operator()(Set&& set, Args&& ...args) const {
|
|
return erase_key_impl<typename hana::tag_of<Set>::type>::apply(
|
|
static_cast<Set&&>(set),
|
|
static_cast<Args&&>(args)...
|
|
);
|
|
}
|
|
//! @endcond
|
|
|
|
template <typename T, bool condition>
|
|
struct erase_key_impl<T, when<condition>> : default_ {
|
|
template <typename ...Args>
|
|
static constexpr auto apply(Args&& ...) = delete;
|
|
};
|
|
BOOST_HANA_NAMESPACE_END
|
|
|
|
#endif // !BOOST_HANA_ERASE_KEY_HPP
|