//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
// 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 {
template <class FunctionT>
struct member_function_class;
template <class ReturnType, class Type, class... Args>
struct member_function_class<ReturnType (Type::*)(Args...)> {
using type = Type;
static constexpr size_t argument_count() {
return sizeof...(Args);
}
};
using member_function_class_t = typename member_function_class<FunctionT>::type;
constexpr size_t member_function_argument_count() {
return member_function_class<FunctionT>::argument_count();
} // namespace td