axmol/thirdparty/range-v3/include/range/v3/action/unstable_remove_if.hpp

74 lines
2.4 KiB
C++

/// \file
// Range v3 library
//
// Copyright Andrey Diduh 2019
//
// 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_UNSTABLE_REMOVE_IF_HPP
#define RANGES_V3_ACTION_UNSTABLE_REMOVE_IF_HPP
#include <utility>
#include <concepts/concepts.hpp>
#include <range/v3/range_fwd.hpp>
#include <range/v3/action/action.hpp>
#include <range/v3/action/erase.hpp>
#include <range/v3/algorithm/unstable_remove_if.hpp>
#include <range/v3/functional/bind_back.hpp>
#include <range/v3/functional/identity.hpp>
#include <range/v3/iterator/concepts.hpp>
#include <range/v3/range/access.hpp>
#include <range/v3/range/concepts.hpp>
#include <range/v3/detail/prologue.hpp>
namespace ranges
{
/// \addtogroup group-actions
/// @{
namespace actions
{
struct unstable_remove_if_fn
{
template(typename C, typename P = identity)(
requires (!range<C>))
constexpr auto operator()(C pred, P proj = P{}) const
{
return make_action_closure(
bind_back(unstable_remove_if_fn{}, std::move(pred), std::move(proj)));
}
template(typename Rng, typename C, typename P = identity)(
requires bidirectional_range<Rng> AND common_range<Rng> AND
permutable<iterator_t<Rng>> AND
indirect_unary_predicate<C, projected<iterator_t<Rng>, P>> AND
erasable_range<Rng, iterator_t<Rng>, iterator_t<Rng>>)
Rng operator()(Rng && rng, C pred, P proj = P{}) const
{
auto it = ranges::unstable_remove_if(ranges::begin(rng),
ranges::end(rng),
std::move(pred),
std::move(proj));
ranges::erase(rng, it, ranges::end(rng));
return static_cast<Rng &&>(rng);
}
};
/// \sa `actions::unstable_remove_if_fn`
RANGES_INLINE_VARIABLE(unstable_remove_if_fn, unstable_remove_if)
} // namespace actions
/// @}
} // namespace ranges
#include <range/v3/detail/epilogue.hpp>
#endif // RANGES_V3_ACTION_UNSTABLE_REMOVE_IF_HPP