// -*- C++ -*- //===------------------------------ span ---------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===---------------------------------------------------------------------===// // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 // <span> // constexpr span() noexcept; // // Remarks: This constructor shall not participate in overload resolution // unless Extent <= 0 is true. #include <span> #include <cassert> #include <string> #include "test_macros.h" int main () { 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"}} // TODO: This is what I want: // eXpected-error {{no matching constructor for initialization of 'std::span<int, 2>'}} }