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// Copyright 2017 Elias Kosunen
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This file is a part of scnlib:
// https://github.com/eliaskosunen/scnlib
#ifndef SCN_RANGES_STD_IMPL_H
#define SCN_RANGES_STD_IMPL_H
#include "../detail/config.h"
#if SCN_HAS_CONCEPTS && SCN_HAS_RANGES
SCN_GCC_PUSH
SCN_GCC_IGNORE("-Wnoexcept")
#include <iterator>
#include <ranges>
SCN_GCC_POP
#include "util.h"
#include "../util/string_view.h"
namespace scn {
SCN_BEGIN_NAMESPACE
namespace std_ranges = ::std::ranges;
namespace polyfill_2a {
template <typename T>
using iter_value_t = ::std::iter_value_t<T>;
template <typename T>
using iter_reference_t = ::std::iter_reference_t<T>;
template <typename T>
using iter_difference_t = ::std::iter_difference_t<T>;
template <typename I>
concept bidirectional_iterator = std::bidirectional_iterator<I>;
template <typename I>
concept random_access_iterator = std::random_access_iterator<I>;
} // namespace polyfill_2a
SCN_END_NAMESPACE
} // namespace scn
namespace std::ranges {
template <typename CharT>
inline constexpr bool enable_view<::scn::basic_string_view<CharT>> = true;
template <typename T>
inline constexpr bool enable_view<::scn::span<T>> = true;
} // namespace std
#define SCN_CHECK_CONCEPT(C) C
#endif
#endif // SCN_RANGES_STD_IMPL_H
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