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/// \file
// Range v3 library
//
// Copyright Eric Niebler 2013-present
// Copyright Gonzalo Brito Gadeschi 2017
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//
#ifndef RANGES_V3_ACTION_REVERSE_HPP
#define RANGES_V3_ACTION_REVERSE_HPP
#include <range/v3/range_fwd.hpp>
#include <range/v3/action/action.hpp>
#include <range/v3/algorithm/reverse.hpp>
#include <range/v3/iterator/concepts.hpp>
#include <range/v3/range/traits.hpp>
#include <range/v3/utility/static_const.hpp>
#include <range/v3/detail/prologue.hpp>
namespace ranges
{
/// \addtogroup group-actions
/// @{
namespace actions
{
/// Reversed the source range in-place.
struct reverse_fn
{
template(typename Rng)(
requires bidirectional_range<Rng> AND permutable<iterator_t<Rng>>)
Rng operator()(Rng && rng) const
{
ranges::reverse(rng);
return static_cast<Rng &&>(rng);
}
};
/// \relates actions::reverse_fn
/// \sa action_closure
RANGES_INLINE_VARIABLE(action_closure<reverse_fn>, reverse)
} // namespace actions
/// @}
} // namespace ranges
#include <range/v3/detail/epilogue.hpp>
#endif
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