mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-21 18:15:58 +00:00
48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Forward.h>
|
|
#include <AK/HashFunctions.h>
|
|
|
|
namespace AK {
|
|
|
|
template<typename T>
|
|
struct GenericTraits {
|
|
using PeekType = T;
|
|
using ConstPeekType = T;
|
|
static constexpr bool is_trivial() { return false; }
|
|
static constexpr bool equals(const T& a, const T& b) { return a == b; }
|
|
};
|
|
|
|
template<typename T>
|
|
struct Traits : public GenericTraits<T> {
|
|
};
|
|
|
|
template<typename T>
|
|
requires(IsIntegral<T>) struct Traits<T> : public GenericTraits<T> {
|
|
static constexpr bool is_trivial() { return true; }
|
|
static constexpr unsigned hash(T value)
|
|
{
|
|
if constexpr (sizeof(T) < 8)
|
|
return int_hash(value);
|
|
else
|
|
return u64_hash(value);
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
requires(IsPointer<T>) struct Traits<T> : public GenericTraits<T> {
|
|
static unsigned hash(T p) { return ptr_hash((FlatPtr)p); }
|
|
static constexpr bool is_trivial() { return true; }
|
|
};
|
|
|
|
}
|
|
|
|
using AK::GenericTraits;
|
|
using AK::Traits;
|