37c53b6221
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131407 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.5 KiB
C++
44 lines
1.5 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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// <functional>
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// result_of<Fn(ArgTypes...)>
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#include <type_traits>
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#include <memory>
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typedef bool (&PF1)();
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typedef short (*PF2)(long);
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struct S
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{
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operator PF2() const;
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double operator()(char, int&);
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void calc(long) const;
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char data_;
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};
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typedef void (S::*PMS)(long) const;
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typedef char S::*PMD;
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int main()
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{
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static_assert((std::is_same<std::result_of<S(int)>::type, short>::value), "Error!");
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static_assert((std::is_same<std::result_of<S&(unsigned char, int&)>::type, double>::value), "Error!");
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static_assert((std::is_same<std::result_of<PF1()>::type, bool>::value), "Error!");
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static_assert((std::is_same<std::result_of<PMS(std::unique_ptr<S>, int)>::type, void>::value), "Error!");
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static_assert((std::is_same<std::result_of<PMS(S, int)>::type, void>::value), "Error!");
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static_assert((std::is_same<std::result_of<PMS(const S&, int)>::type, void>::value), "Error!");
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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static_assert((std::is_same<std::result_of<PMD(S)>::type, char&&>::value), "Error!");
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#endif
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static_assert((std::is_same<std::result_of<PMD(const S*)>::type, const char&>::value), "Error!");
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}
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