1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <functional>
10
11 // class function<R(ArgTypes...)>
12
13 // This test runs in C++03, but we have deprecated using std::function in C++03.
14 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX03_FUNCTION
15
16 // Make sure we can use std::function with a type that has a hostile overload
17 // of operator&().
18
19 #include <functional>
20 #include <cassert>
21
22 #include "operator_hijacker.h"
23
24 struct TrapAddressof : operator_hijacker {
operator ()TrapAddressof25 int operator()() const { return 1; }
26 };
27
main(int,char **)28 int main(int, char**) {
29 std::function<int()> f = TrapAddressof();
30 assert(f() == 1);
31 return 0;
32 }
33