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 // constexpr span() noexcept;
15 //
16 // Remarks: This constructor shall not participate in overload resolution
17 // unless Extent <= 0 is true.
18
19
20 #include <span>
21 #include <cassert>
22 #include <string>
23
24 #include "test_macros.h"
25
main()26 int main ()
27 {
28 std::span<int, 2> s; // expected-error-re@span:* {{static_assert failed{{( due to requirement '2[LL]{0,2} == 0')?}} "Can't default construct a statically sized span with size > 0"}}
29
30 // TODO: This is what I want:
31 // eXpected-error {{no matching constructor for initialization of 'std::span<int, 2>'}}
32 }
33