mirror of
https://github.com/llvm-mirror/libcxx.git
synced 2025-10-23 01:18:52 +08:00

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@291475 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
811 B
C++
26 lines
811 B
C++
// -*- C++ -*-
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8, clang-3.9
|
|
// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8
|
|
// Note: libc++ supports string_view before C++17, but literals were introduced in C++14
|
|
|
|
#include <string_view>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
using namespace std::literals;
|
|
|
|
std::string_view foo = ""sv;
|
|
assert(foo.length() == 0);
|
|
}
|