1 // -*- C++ -*-
2 //===------------------------------ span ---------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===---------------------------------------------------------------------===//
9 // UNSUPPORTED: c++03, c++11, c++14, c++17
10
11 // <span>
12
13 // template <class ElementType, size_t Extent>
14 // span<byte,
15 // Extent == dynamic_extent
16 // ? dynamic_extent
17 // : sizeof(ElementType) * Extent>
18 // as_writable_bytes(span<ElementType, Extent> s) noexcept;
19
20
21 #include <span>
22 #include <cassert>
23 #include <string>
24
25 #include "test_macros.h"
26
27 const int iArr2[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
28
29 struct A {};
30
main(int,char **)31 int main(int, char**)
32 {
33 std::as_writable_bytes(std::span<const int>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
34 std::as_writable_bytes(std::span<const long>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
35 std::as_writable_bytes(std::span<const double>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
36 std::as_writable_bytes(std::span<const A>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
37 std::as_writable_bytes(std::span<const std::string>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
38
39 std::as_writable_bytes(std::span<const int, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
40 std::as_writable_bytes(std::span<const long, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
41 std::as_writable_bytes(std::span<const double, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
42 std::as_writable_bytes(std::span<const A, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
43 std::as_writable_bytes(std::span<const std::string, (size_t)0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
44
45 std::as_writable_bytes(std::span<const int> (iArr2, 1)); // expected-error {{no matching function for call to 'as_writable_bytes'}}
46 std::as_writable_bytes(std::span<const int, 1>(iArr2 + 5, 1)); // expected-error {{no matching function for call to 'as_writable_bytes'}}
47
48 return 0;
49 }
50