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