1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
//===----------------------------------------------------------------------===//
//
// 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_stride::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 assertion failed {{.*}}layout_stride::mapping template argument must be a specialization of extents}}
[[maybe_unused]] std::layout_stride::mapping<void> mapping;
}
void representable() {
// expected-error-re@*:* {{static assertion failed {{.*}}layout_stride::mapping product of static extents must be representable as index_type.}}
[[maybe_unused]] std::layout_stride::mapping<std::extents<signed char, 20, 20>> mapping;
}
|
