b8cb1dc9ea
When we ship LLVM 16, <ranges> won't be considered experimental anymore. We might as well do this sooner rather than later. Differential Revision: https://reviews.llvm.org/D132151
53 lines
1.6 KiB
C++
53 lines
1.6 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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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// template<class W, class Bound>
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// requires (!is-integer-like<W> || !is-integer-like<Bound> ||
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// (is-signed-integer-like<W> == is-signed-integer-like<Bound>))
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// iota_view(W, Bound) -> iota_view<W, Bound>;
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#include <ranges>
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#include <cassert>
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#include <concepts>
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#include "test_macros.h"
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#include "types.h"
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template<class T, class U>
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concept CanDeduce = requires(const T& t, const U& u) {
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std::ranges::iota_view(t, u);
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};
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void test() {
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static_assert(std::same_as<
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decltype(std::ranges::iota_view(0, 0)),
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std::ranges::iota_view<int, int>
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>);
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static_assert(std::same_as<
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decltype(std::ranges::iota_view(0)),
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std::ranges::iota_view<int, std::unreachable_sentinel_t>
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>);
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static_assert(std::same_as<
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decltype(std::ranges::iota_view(0, std::unreachable_sentinel)),
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std::ranges::iota_view<int, std::unreachable_sentinel_t>
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>);
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static_assert(std::same_as<
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decltype(std::ranges::iota_view(0, IntComparableWith(0))),
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std::ranges::iota_view<int, IntComparableWith<int>>
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>);
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static_assert( CanDeduce<int, int>);
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static_assert(!CanDeduce<int, unsigned>);
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static_assert(!CanDeduce<unsigned, int>);
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}
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