6a66467499
- Partially implements P2770R0 (http://wg21.link/p2770) - Fixes https://wg21.link/LWG3698, https://wg21.link/LWG3700, and https://wg21.link/LWG3791 - join_with_view hasn't been done yet since this type isn't implemented yet - Rename tuple test directory to match the standard (which changed in P2770R0) - Rename join_view test directory to match the standard
32 lines
1.1 KiB
C++
32 lines
1.1 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 R>
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// explicit join_view(R&&) -> join_view<views::all_t<R>>;
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// Tests that the deduction guide is explicit.
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#include <ranges>
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#include "test_iterators.h"
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template<class T>
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struct Range {
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friend T* begin(Range&) { return nullptr; }
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friend T* begin(Range const&) { return nullptr; }
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friend sentinel_wrapper<T*> end(Range&) { return sentinel_wrapper<T*>(nullptr); }
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friend sentinel_wrapper<T*> end(Range const&) { return sentinel_wrapper<T*>(nullptr); }
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};
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void testExplicitCTAD() {
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Range<Range<int>> r;
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std::ranges::join_view v = r; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'join_view'}}
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}
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