Edit: /usr/include/boost/hana/adjust.hpp (1698B)
/*!
@file
Defines `boost::hana::adjust`.
@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_ADJUST_HPP
#define BOOST_HANA_ADJUST_HPP
#include
#include
#include
#include
#include
#include
BOOST_HANA_NAMESPACE_BEGIN
//! @cond
template
constexpr auto adjust_t::operator()(Xs&& xs, Value&& value, F&& f) const {
using S = typename hana::tag_of::type;
using Adjust = BOOST_HANA_DISPATCH_IF(adjust_impl,
hana::Functor::value
);
#ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
static_assert(hana::Functor::value,
"hana::adjust(xs, value, f) requires 'xs' to be a Functor");
#endif
return Adjust::apply(static_cast(xs),
static_cast(value),
static_cast(f));
}
//! @endcond
template
struct adjust_impl> : default_ {
template
static constexpr auto apply(Xs&& xs, Value&& value, F&& f) {
return hana::adjust_if(
static_cast(xs),
hana::equal.to(static_cast(value)),
static_cast(f)
);
}
};
BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_ADJUST_HPP