cxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.nullptr/operator_==.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

1 line
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// class function<R(ArgTypes...)>
// template <MoveConstructible R, MoveConstructible ... ArgTypes>
// bool operator==(const function<R(ArgTypes...)>&, nullptr_t);
//
// template <MoveConstructible R, MoveConstructible ... ArgTypes>
// bool operator==(nullptr_t, const function<R(ArgTypes...)>&);
//
// template <MoveConstructible R, MoveConstructible ... ArgTypes>
// bool operator!=(const function<R(ArgTypes...)>&, nullptr_t);
//
// template <MoveConstructible R, MoveConstructible ... ArgTypes>
// bool operator!=(nullptr_t, const function<R(ArgTypes...)>&);
#include <functional>
#include <cassert>
int g(int) {return 0;}
int main()
{
{
std::function<int(int)> f;
assert(f == nullptr);
assert(nullptr == f);
f = g;
assert(f != nullptr);
assert(nullptr != f);
}
}