Edit: /usr/include/boost/hana/insert.hpp (1620B)
/*!
@file
Defines `boost::hana::insert`.
@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_INSERT_HPP
#define BOOST_HANA_INSERT_HPP
#include
#include
#include
#include
#include
#include
#include
#include
BOOST_HANA_NAMESPACE_BEGIN
//! @cond
template
constexpr decltype(auto) insert_t::operator()(Set&& set, Args&& ...args) const {
return insert_impl::type>::apply(
static_cast(set),
static_cast(args)...
);
}
//! @endcond
template
struct insert_impl> : default_ {
template
static constexpr auto apply(Args&& ...) = delete;
};
template
struct insert_impl::value>> {
template
static constexpr auto apply(Xs&& xs, N const& n, Element&& e) {
return hana::concat(hana::append(hana::take_front(xs, n),
static_cast(e)),
hana::drop_front(xs, n));
}
};
BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_INSERT_HPP