cxx/test/utilities/meta/meta.trans/meta.trans.other/result_of.pass.cpp
2011-05-16 16:17:21 +00:00

44 lines
1.5 KiB
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.
//
//===----------------------------------------------------------------------===//
// <functional>
// result_of<Fn(ArgTypes...)>
#include <type_traits>
#include <memory>
typedef bool (&PF1)();
typedef short (*PF2)(long);
struct S
{
operator PF2() const;
double operator()(char, int&);
void calc(long) const;
char data_;
};
typedef void (S::*PMS)(long) const;
typedef char S::*PMD;
int main()
{
static_assert((std::is_same<std::result_of<S(int)>::type, short>::value), "Error!");
static_assert((std::is_same<std::result_of<S&(unsigned char, int&)>::type, double>::value), "Error!");
static_assert((std::is_same<std::result_of<PF1()>::type, bool>::value), "Error!");
static_assert((std::is_same<std::result_of<PMS(std::unique_ptr<S>, int)>::type, void>::value), "Error!");
static_assert((std::is_same<std::result_of<PMS(S, int)>::type, void>::value), "Error!");
static_assert((std::is_same<std::result_of<PMS(const S&, int)>::type, void>::value), "Error!");
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
static_assert((std::is_same<std::result_of<PMD(S)>::type, char&&>::value), "Error!");
#endif
static_assert((std::is_same<std::result_of<PMD(const S*)>::type, const char&>::value), "Error!");
}