35 lines
914 B
C
35 lines
914 B
C
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// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <tuple>
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namespace Common {
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template <class Func>
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struct FuncTraits {};
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template <class ReturnType_, class... Args>
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struct FuncTraits<ReturnType_ (*)(Args...)> {
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using ReturnType = ReturnType_;
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static constexpr size_t NUM_ARGS = sizeof...(Args);
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template <size_t I>
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using ArgType = std::tuple_element_t<I, std::tuple<Args...>>;
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};
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template <typename Func>
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struct LambdaTraits : LambdaTraits<decltype(&std::remove_reference_t<Func>::operator())> {};
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template <typename ReturnType, typename LambdaType, typename... Args>
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struct LambdaTraits<ReturnType (LambdaType::*)(Args...) const> {
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template <size_t I>
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using ArgType = std::tuple_element_t<I, std::tuple<Args...>>;
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static constexpr size_t NUM_ARGS{sizeof...(Args)};
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};
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} // namespace Common
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