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AK: Add missing GenericTraits<NonnullRefPtr>

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This enables us to use keys of type NonnullRefPtr in HashMaps and
HashTables.

This commit also includes fixes in various places that used
HashMap<T, NonnullRefPtr<U>>::get() and expected to get an
Optional<NonnullRefPtr<U>> and now get an Optional<U*>.
This commit is contained in:
Itamar 2021-05-08 12:27:12 +03:00 • committed by Andreas Kling
parent 1da0d402b7
commit 8a01167c7d
6 changed files with 20 additions and 7 deletions
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9
AK/NonnullRefPtr.h
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@ -9,6 +9,7 @@
#include <AK/Assertions.h>
#include <AK/Atomic.h>
#include <AK/Format.h>
#include <AK/Traits.h>
#include <AK/Types.h>
#ifdef KERNEL
# include <Kernel/Arch/x86/CPU.h>
@ -335,5 +336,13 @@ inline void swap(NonnullRefPtr<T>& a, NonnullRefPtr<U>& b)
}
template<typename T>
struct Traits<NonnullRefPtr<T>> : public GenericTraits<NonnullRefPtr<T>> {
using PeekType = T*;
using ConstPeekType = const T*;
static unsigned hash(const NonnullRefPtr<T>& p) { return ptr_hash(p.ptr()); }
static bool equals(const NonnullRefPtr<T>& a, const NonnullRefPtr<T>& b) { return a.ptr() == b.ptr(); }
};
using AK::adopt_ref;
using AK::NonnullRefPtr;