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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, c++20
// <mdspan>
// template<class Extents>
// class layout_left::mapping;
// If Extents is not a specialization of extents, then the program is
// ill-formed.
// Mandates: If Extents::rank_dynamic() == 0 is true, then the size of the
// multidimensional index space Extents() is representable as a value of type
// typename Extents::index_type.
#include <mdspan>
void not_extents() {
// expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}layout_right::mapping template argument must be a specialization of extents}}
[[maybe_unused]] std::layout_right::mapping<void> mapping;
}
void representable() {
// expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}layout_right::mapping product of static extents must be representable as index_type.}}
[[maybe_unused]] std::layout_right::mapping<std::extents<char, 20, 20>> mapping;
}
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