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#include <functional>
10
11_LIBCPP_BEGIN_NAMESPACE_STD
12
13#ifdef _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
14bad_function_call::~bad_function_call() noexcept {}
15#endif
16
17#ifdef _LIBCPP_ABI_BAD_FUNCTION_CALL_GOOD_WHAT_MESSAGE
18const char* bad_function_call::what() const noexcept { return "std::bad_function_call"; }
19#endif
20
21_LIBCPP_END_NAMESPACE_STD
22

source code of libcxx/src/functional.cpp