Edit: /usr/include/boost/hana/zip.hpp (1462B)
/*!
@file
Defines `boost::hana::zip`.
@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_ZIP_HPP
#define BOOST_HANA_ZIP_HPP
#include
#include
#include
#include
#include
#include
#include
BOOST_HANA_NAMESPACE_BEGIN
//! @cond
template
constexpr auto zip_t::operator()(Xs&& xs, Ys&& ...ys) const {
#ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
static_assert(detail::fast_and<
hana::Sequence::value, hana::Sequence::value...
>::value,
"hana::zip(xs, ys...) requires 'xs' and 'ys...' to be Sequences");
#endif
return zip_impl::type>::apply(
static_cast(xs),
static_cast(ys)...
);
}
//! @endcond
template
struct zip_impl> : default_ {
template
static constexpr decltype(auto) apply(Xs&& ...xs) {
return hana::zip_with(hana::make_tuple, static_cast(xs)...);
}
};
BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_ZIP_HPP