27 lines
		
	
	
		
			870 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			870 B
		
	
	
	
		
			C++
		
	
	
	
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8, clang-3.9
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// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8
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// Note: libc++ supports string_view before C++17, but literals were introduced in C++14
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#include <string_view>
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#include <cassert>
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int main(int, char**)
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{
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    using namespace std::literals::string_view_literals;
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    std::string_view foo  =   ""sv;
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    assert(foo.length() == 0);
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  return 0;
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}
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