forked from OSchip/llvm-project
73 lines
1.4 KiB
C++
73 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The 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, CopyConstructible... Args>
|
|
// unspecified mem_fn(R (T::* pm)(Args...) const volatile);
|
|
|
|
#include <functional>
|
|
#include <cassert>
|
|
|
|
struct A
|
|
{
|
|
char test0() const volatile {return 'a';}
|
|
char test1(int) const volatile {return 'b';}
|
|
char test2(int, double) const volatile {return 'c';}
|
|
};
|
|
|
|
template <class F>
|
|
void
|
|
test0(F f)
|
|
{
|
|
{
|
|
A a;
|
|
assert(f(a) == 'a');
|
|
A* ap = &a;
|
|
assert(f(ap) == 'a');
|
|
const volatile A* cap = &a;
|
|
assert(f(cap) == 'a');
|
|
}
|
|
}
|
|
|
|
template <class F>
|
|
void
|
|
test1(F f)
|
|
{
|
|
{
|
|
A a;
|
|
assert(f(a, 1) == 'b');
|
|
A* ap = &a;
|
|
assert(f(ap, 2) == 'b');
|
|
const volatile A* cap = &a;
|
|
assert(f(cap, 2) == 'b');
|
|
}
|
|
}
|
|
|
|
template <class F>
|
|
void
|
|
test2(F f)
|
|
{
|
|
{
|
|
A a;
|
|
assert(f(a, 1, 2) == 'c');
|
|
A* ap = &a;
|
|
assert(f(ap, 2, 3.5) == 'c');
|
|
const volatile A* cap = &a;
|
|
assert(f(cap, 2, 3.5) == 'c');
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test0(std::mem_fn(&A::test0));
|
|
test1(std::mem_fn(&A::test1));
|
|
test2(std::mem_fn(&A::test2));
|
|
}
|