36 lines
739 B
C++
36 lines
739 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: libcpp-has-no-threads
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// <future>
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// class shared_future<R>
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// shared_future();
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#include <future>
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#include <cassert>
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int main()
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{
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{
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std::shared_future<int> f;
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assert(!f.valid());
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}
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{
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std::shared_future<int&> f;
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assert(!f.valid());
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}
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{
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std::shared_future<void> f;
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assert(!f.valid());
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}
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}
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