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 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, (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