xref: /llvm-project/libcxx/test/std/ranges/range.access/empty.verify.cpp (revision b8cb1dc9ea87faa8e8e9ab7a31710a8c0bb8b084)
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 
9 // UNSUPPORTED: c++03, c++11, c++14, c++17
10 
11 // std::ranges::empty
12 
13 #include <ranges>
14 
15 extern int arr[];
16 
17 // Verify that for an array of unknown bound `ranges::empty` is ill-formed.
test()18 void test() {
19   std::ranges::empty(arr);
20   // expected-error-re@-1 {{{{no matching function for call to object of type 'const (std::ranges::)?__empty::__fn'}}}}
21 }
22