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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// UNSUPPORTED: libcpp-no-concepts
// UNSUPPORTED: gcc-10
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
// constexpr sentinel<false> end();
// constexpr iterator<false> end() requires common_range<V>;
// constexpr sentinel<true> end() const
// requires range<const V> &&
// regular_invocable<const F&, range_reference_t<const V>>;
// constexpr iterator<true> end() const
// requires common_range<const V> &&
// regular_invocable<const F&, range_reference_t<const V>>;
#include <ranges>
#include "test_macros.h"
#include "types.h"
template<class T>
concept EndInvocable = requires(T t) { t.end(); };
template<class T>
concept EndIsIter = requires(T t) { ++t.end(); };
constexpr bool test() {
{
std::ranges::transform_view transformView(ContiguousView{}, Increment{});
assert(transformView.end().base() == globalBuff + 8);
}
{
std::ranges::transform_view transformView(ForwardView{}, Increment{});
assert(transformView.end().base().base() == globalBuff + 8);
}
{
std::ranges::transform_view transformView(InputView{}, Increment{});
assert(transformView.end().base() == globalBuff + 8);
}
{
const std::ranges::transform_view transformView(ContiguousView{}, IncrementConst{});
assert(transformView.end().base() == globalBuff + 8);
}
static_assert(!EndInvocable<const std::ranges::transform_view<ContiguousView, Increment>>);
static_assert( EndInvocable< std::ranges::transform_view<ContiguousView, Increment>>);
static_assert( EndInvocable<const std::ranges::transform_view<ContiguousView, IncrementConst>>);
static_assert(!EndInvocable<const std::ranges::transform_view<InputView, Increment>>);
static_assert( EndInvocable< std::ranges::transform_view<InputView, Increment>>);
static_assert( EndInvocable<const std::ranges::transform_view<InputView, IncrementConst>>);
static_assert(!EndIsIter<const std::ranges::transform_view<InputView, IncrementConst>>);
static_assert(!EndIsIter< std::ranges::transform_view<InputView, Increment>>);
static_assert( EndIsIter<const std::ranges::transform_view<ContiguousView, IncrementConst>>);
static_assert( EndIsIter< std::ranges::transform_view<ContiguousView, Increment>>);
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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