cxx/test/utilities/function.objects/func.memfn/member_data.fail.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

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C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// template<Returnable R, class T> unspecified mem_fn(R T::* pm);
#include <functional>
#include <cassert>
struct A
{
double data_;
};
template <class F>
void
test(F f)
{
{
A a;
f(a) = 5;
assert(a.data_ == 5);
A* ap = &a;
f(ap) = 6;
assert(a.data_ == 6);
const A* cap = ap;
assert(f(cap) == f(ap));
f(cap) = 7;
}
}
int main()
{
test(std::mem_fn(&A::data_));
}