forked from OSchip/llvm-project
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LIBCXX_TEST_SUPPORT_TEST_RANGE_H
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#define LIBCXX_TEST_SUPPORT_TEST_RANGE_H
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#include <iterator>
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#include <ranges>
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#include "test_iterators.h"
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#ifdef _LIBCPP_HAS_NO_RANGES
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#error "test/suppoort/test_range.h" can only be included in builds supporting ranges
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#endif
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struct sentinel {
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bool operator==(std::input_or_output_iterator auto const&) const;
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};
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template <template <class...> class I>
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requires std::input_or_output_iterator<I<int*> >
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struct test_range {
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I<int*> begin();
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I<int const*> begin() const;
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sentinel end();
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sentinel end() const;
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};
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template <template <class...> class I>
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requires std::input_or_output_iterator<I<int*> >
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struct test_non_const_range {
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I<int*> begin();
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sentinel end();
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};
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template <template <class...> class I>
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requires std::input_or_output_iterator<I<int*> >
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struct test_common_range {
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I<int*> begin();
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I<int const*> begin() const;
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I<int*> end();
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I<int const*> end() const;
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};
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template <template <class...> class I>
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requires std::input_or_output_iterator<I<int*> >
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struct test_non_const_common_range {
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I<int*> begin();
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I<int*> end();
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};
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template <template <class...> class I>
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requires std::input_or_output_iterator<I<int*> >
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struct test_view : std::ranges::view_base {
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I<int*> begin();
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I<int const*> begin() const;
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sentinel end();
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sentinel end() const;
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};
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template<template<class...> class I, class R>
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constexpr auto make_archetype_range(R&& r) {
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return std::ranges::subrange(I(std::ranges::begin(r)), sentinel_wrapper(std::ranges::end(r)));
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}
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#endif // LIBCXX_TEST_SUPPORT_TEST_RANGE_H
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