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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
// AppleClang 12.0.0 doesn't fully support ranges/concepts
// XFAIL: apple-clang-12.0.0
// <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, size_t Extent>
std::span<T, Extent> createImplicitSpan(T* first, T* last) {
return {first, last}; // expected-error {{chosen constructor is explicit in copy-initialization}}
}
int main(int, char**) {
// explicit constructor necessary
int arr[] = {1, 2, 3};
createImplicitSpan<int, 1>(std::begin(arr), std::end(arr));
return 0;
}
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