31 lines
840 B
C++
31 lines
840 B
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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namespace td {
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template <class FunctionT>
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struct member_function_class;
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template <class ReturnType, class Type, class... Args>
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struct member_function_class<ReturnType (Type::*)(Args...)> {
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using type = Type;
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constexpr static size_t arguments_count() {
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return sizeof...(Args);
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}
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};
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template <class FunctionT>
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using member_function_class_t = typename member_function_class<FunctionT>::type;
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template <class FunctionT>
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constexpr size_t member_function_arguments_count() {
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return member_function_class<FunctionT>::arguments_count();
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}
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} // namespace td
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