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AK: Add ConstPeekType to Traits

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Also, the PeekType of smart pointers is now T* instead of const T*.

Note: This commit doesn't compile, it breaks HashMap::get() for some
types. Fixed in the next commit.
This commit is contained in:
Itamar 2021-05-08 12:11:37 +03:00 committed by Andreas Kling
parent 77d462426b
commit b816bd0806
Notes: sideshowbarker 2024-07-18 18:30:47 +09:00 
Author: https://github.com/itamar8910
Commit: https://github.com/SerenityOS/serenity/commit/b816bd08066
Pull-request: https://github.com/SerenityOS/serenity/pull/6944
Reviewed-by: https://github.com/alimpfard
4 changed files with 7 additions and 3 deletions
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3
AK/NonnullOwnPtr.h
View file

@ -158,7 +158,8 @@ make(Args&&... args)
template<typename T>
struct Traits<NonnullOwnPtr<T>> : public GenericTraits<NonnullOwnPtr<T>> {
using PeekType = const T*;
using PeekType = T*;
using ConstPeekType = const T*;
static unsigned hash(const NonnullOwnPtr<T>& p) { return int_hash((u32)p.ptr()); }
static bool equals(const NonnullOwnPtr<T>& a, const NonnullOwnPtr<T>& b) { return a.ptr() == b.ptr(); }
};

3
AK/OwnPtr.h
View file

@ -193,7 +193,8 @@ inline void swap(OwnPtr<T>& a, OwnPtr<U>& b)
template<typename T>
struct Traits<OwnPtr<T>> : public GenericTraits<OwnPtr<T>> {
using PeekType = const T*;
using PeekType = T*;
using ConstPeekType = const T*;
static unsigned hash(const OwnPtr<T>& p) { return ptr_hash(p.ptr()); }
static bool equals(const OwnPtr<T>& a, const OwnPtr<T>& b) { return a.ptr() == b.ptr(); }
};

3
AK/RefPtr.h
View file

@ -451,7 +451,8 @@ struct Formatter<RefPtr<T>> : Formatter<const T*> {
template<typename T>
struct Traits<RefPtr<T>> : public GenericTraits<RefPtr<T>> {
using PeekType = const T*;
using PeekType = T*;
using ConstPeekType = const T*;
static unsigned hash(const RefPtr<T>& p) { return ptr_hash(p.ptr()); }
static bool equals(const RefPtr<T>& a, const RefPtr<T>& b) { return a.ptr() == b.ptr(); }
};

1
AK/Traits.h
View file

@ -14,6 +14,7 @@ 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; }
};