1 // -*- C++ -*- 2 //===------------------------------ span ---------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===---------------------------------------------------------------------===// 10 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 11 12 // <span> 13 14 // template <class ElementType, ptrdiff_t Extent> 15 // span<byte, 16 // Extent == dynamic_extent 17 // ? dynamic_extent 18 // : static_cast<ptrdiff_t>(sizeof(ElementType)) * Extent> 19 // as_writeable_bytes(span<ElementType, Extent> s) noexcept; 20 21 22 #include <span> 23 #include <cassert> 24 #include <string> 25 26 #include "test_macros.h" 27 28 const int iArr2[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; 29 30 struct A {}; 31 32 int main () 33 { 34 std::as_writeable_bytes(std::span<const int>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 35 std::as_writeable_bytes(std::span<const long>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 36 std::as_writeable_bytes(std::span<const double>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 37 std::as_writeable_bytes(std::span<const A>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 38 std::as_writeable_bytes(std::span<const std::string>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 39 40 std::as_writeable_bytes(std::span<const int, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 41 std::as_writeable_bytes(std::span<const long, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 42 std::as_writeable_bytes(std::span<const double, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 43 std::as_writeable_bytes(std::span<const A, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 44 std::as_writeable_bytes(std::span<const std::string, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 45 46 std::as_writeable_bytes(std::span<const int> (iArr2, 1)); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 47 std::as_writeable_bytes(std::span<const int, 1>(iArr2 + 5, 1)); // expected-error {{no matching function for call to 'as_writeable_bytes'}} 48 } 49
