serenity/AK/Concepts.h
Timothy e42484bb65 AK+LibIPC: Make all enums codable
If an enum has a supported underlying type we can provide encoding and
decoding for the enum as well.
2021-07-04 13:48:20 +04:30

64 lines
1.3 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IterationDecision.h>
#include <AK/StdLibExtras.h>
namespace AK::Concepts {
template<typename T>
concept Integral = IsIntegral<T>;
template<typename T>
concept FloatingPoint = IsFloatingPoint<T>;
template<typename T>
concept Arithmetic = IsArithmetic<T>;
template<typename T>
concept Signed = IsSigned<T>;
template<typename T>
concept Unsigned = IsUnsigned<T>;
template<typename T>
concept Enum = IsEnum<T>;
template<typename T, typename U>
concept SameAs = IsSame<T, U>;
// FIXME: remove once Clang formats these properly.
// clang-format off
template<typename Func, typename... Args>
concept VoidFunction = requires(Func func, Args... args)
{
{
func(args...)
}
-> SameAs<void>;
};
template<typename Func, typename... Args>
concept IteratorFunction = requires(Func func, Args... args)
{
{
func(args...)
}
-> SameAs<IterationDecision>;
};
// clang-format on
}
using AK::Concepts::Arithmetic;
using AK::Concepts::Enum;
using AK::Concepts::FloatingPoint;
using AK::Concepts::Integral;
using AK::Concepts::IteratorFunction;
using AK::Concepts::Signed;
using AK::Concepts::Unsigned;
using AK::Concepts::VoidFunction;