This repository has been archived on 2020-05-25. You can view files and clone it, but cannot push or open issues or pull requests.
tdlib-fork/tdutils/td/utils/overloaded.h
levlam 80c35676a2 Update copyright year.
GitOrigin-RevId: 09afb551b6e637dc69739fa735b0051a38b9e14c
2020-01-01 04:23:48 +03:00

40 lines
830 B
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
namespace td {
namespace detail {
template <class... Fs>
struct overload;
template <class F>
struct overload<F> : public F {
explicit overload(F f) : F(f) {
}
};
template <class F, class... Fs>
struct overload<F, Fs...>
: public overload<F>
, overload<Fs...> {
overload(F f, Fs... fs) : overload<F>(f), overload<Fs...>(fs...) {
}
using overload<F>::operator();
using overload<Fs...>::operator();
};
} // namespace detail
template <class... F>
auto overloaded(F... f) {
return detail::overload<F...>(f...);
}
} // namespace td