Nikolas Klauser dbe60caa92 [libc++] Remove std::function in C++03
We've said that we'll remove `std::function` from C++03 in LLVM 16, so we might as well do it now before we forget.

Reviewed By: ldionne, #libc, Mordante

Spies: jloser, Mordante, libcxx-commits

Differential Revision: https://reviews.llvm.org/D135868
2022-10-19 11:08:35 +02:00

32 lines
813 B
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <functional>
// class function<R(ArgTypes...)>
// Make sure we can use std::function with a type that has a hostile overload
// of operator&().
#include <functional>
#include <cassert>
#include "operator_hijacker.h"
struct TrapAddressof : operator_hijacker {
int operator()() const { return 1; }
};
int main(int, char**) {
std::function<int()> f = TrapAddressof();
assert(f() == 1);
return 0;
}