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FunctionTraits.hpp
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1// Copyright (c) 2025. MoonFeather
2// SPDX-License-Identifier: BSD-3-Clause
3
4#ifndef FUNCTIONTRAITS_HPP
5#define FUNCTIONTRAITS_HPP
6
7#include <tuple>
8
9template <typename T>
10struct FunctionTraits;
11
12template <typename R, typename C, typename... Args>
13struct FunctionTraits<R(C::*)(Args...)>
14{
15 using ClassType = C;
16 using ReturnType = R;
17 using ArgTuple = std::tuple<Args...>;
18 static constexpr size_t Arity = sizeof...(Args);
19};
20
21
22#endif //FUNCTIONTRAITS_HPP
FunctionTraits< R(C::*)(Args...)>::Arity
static constexpr size_t Arity
定义 FunctionTraits.hpp:18
FunctionTraits< R(C::*)(Args...)>::ClassType
C ClassType
定义 FunctionTraits.hpp:15
FunctionTraits< R(C::*)(Args...)>::ReturnType
R ReturnType
定义 FunctionTraits.hpp:16
FunctionTraits< R(C::*)(Args...)>::ArgTuple
std::tuple< Args... > ArgTuple
定义 FunctionTraits.hpp:17
FunctionTraits
定义 FunctionTraits.hpp:10