34 lines
1.0 KiB
C++
34 lines
1.0 KiB
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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// UNSUPPORTED: c++98, c++03
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// <future>
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// class packaged_task<R(ArgTypes...)>
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// template <class F>
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// packaged_task(F&& f);
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// These constructors shall not participate in overload resolution if
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// decay<F>::type is the same type as std::packaged_task<R(ArgTypes...)>.
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#include <future>
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#include <cassert>
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struct A {};
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typedef std::packaged_task<A(int, char)> PT;
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typedef volatile std::packaged_task<A(int, char)> VPT;
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int main()
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{
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PT p { VPT{} }; // expected-error {{no matching constructor for initialization of 'PT' (aka 'packaged_task<A (int, char)>')}}
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// expected-note@future:* 1 {{candidate template ignored: disabled by 'enable_if'}}
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}
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