56 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8// UNSUPPORTED: c++03, c++11, c++14, c++179 10// <span>11 12// template <class ElementType, size_t Extent>13// span<byte,14// Extent == dynamic_extent15// ? dynamic_extent16// : 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 24const int iArr2[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};25 26struct A {};27 28void f() {29 std::as_writable_bytes(std::span<const int>());30 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}31 std::as_writable_bytes(std::span<const long>());32 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}33 std::as_writable_bytes(std::span<const double>());34 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}35 std::as_writable_bytes(std::span<const A>());36 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}37 std::as_writable_bytes(std::span<const std::string>());38 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}39 40 std::as_writable_bytes(std::span<const int, 0>());41 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}42 std::as_writable_bytes(std::span<const long, 0>());43 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}44 std::as_writable_bytes(std::span<const double, 0>());45 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}46 std::as_writable_bytes(std::span<const A, 0>());47 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}48 std::as_writable_bytes(std::span<const std::string, (std::size_t)0>());49 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}50 51 std::as_writable_bytes(std::span<const int>(iArr2, 1));52 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}53 std::as_writable_bytes(std::span<const int, 1>(iArr2 + 5, 1));54 // expected-error@-1 {{no matching function for call to 'as_writable_bytes'}}55}56