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https://github.com/SerenityOS/serenity
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d5bb98acbc
This is prep work for supporting HashMap with NonnullRefPtr<T> as values. It's currently not possible because many HashTable functions require being able to default-construct the value type.
46 lines
1 KiB
C++
46 lines
1 KiB
C++
#pragma once
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#include "HashFunctions.h"
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#include "kstdio.h"
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namespace AK {
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template<typename T>
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struct GenericTraits {
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static bool equals(const T& a, const T& b) { return a == b; }
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};
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template<typename T>
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struct Traits : public GenericTraits<T> {
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};
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template<>
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struct Traits<int> : public GenericTraits<int> {
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static unsigned hash(int i) { return int_hash(i); }
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static void dump(int i) { kprintf("%d", i); }
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};
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template<>
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struct Traits<unsigned> : public GenericTraits<unsigned> {
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static unsigned hash(unsigned u) { return int_hash(u); }
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static void dump(unsigned u) { kprintf("%u", u); }
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};
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template<>
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struct Traits<word> : public GenericTraits<word> {
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static unsigned hash(word u) { return int_hash(u); }
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static void dump(word u) { kprintf("%u", u); }
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};
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template<typename T>
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struct Traits<T*> {
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static unsigned hash(const T* p)
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{
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return int_hash((unsigned)(__PTRDIFF_TYPE__)p);
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}
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static void dump(const T* p) { kprintf("%p", p); }
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static bool equals(const T* a, const T* b) { return a == b; }
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};
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}
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