| //===---------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <span> |
| |
| // template <class It, class End> |
| // constexpr explicit(Extent != dynamic_extent) span(It first, End last); |
| // Requires: [first, last) shall be a valid range. |
| // If Extent is not equal to dynamic_extent, then last - first shall be equal to Extent. |
| // |
| |
| #include <span> |
| #include <iterator> |
| |
| template<class T, std::size_t Extent> |
| std::span<T, Extent> createImplicitSpan(T* first, T* last) { |
| return {first, last}; // expected-error {{chosen constructor is explicit in copy-initialization}} |
| } |
| |
| void f() { |
| // explicit constructor necessary |
| int arr[] = {1, 2, 3}; |
| createImplicitSpan<int, 1>(std::begin(arr), std::end(arr)); |
| } |
