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AK: Add dedicated Traits for c-strings

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Hendiadyoin1 2021-11-07 14:37:05 +01:00 committed by Ali Mohammad Pur
parent dea86f511c
commit 6c6e917cf0
Notes: sideshowbarker 2024-07-17 22:46:53 +09:00 
Author: https://github.com/Hendiadyoin1
Commit: https://github.com/SerenityOS/serenity/commit/6c6e917cf04
Pull-request: https://github.com/SerenityOS/serenity/pull/10808
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg
Reviewed-by: https://github.com/trflynn89 ✅
1 changed files with 10 additions and 1 deletions
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11
AK/Traits.h
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@ -9,6 +9,8 @@
#include <AK/Concepts.h> #include <AK/Concepts.h>
#include <AK/Forward.h> #include <AK/Forward.h>
#include <AK/HashFunctions.h> #include <AK/HashFunctions.h>
#include <AK/StringHash.h>
#include <string.h>
namespace AK { namespace AK {
@ -37,7 +39,7 @@ requires(IsIntegral<T>) struct Traits<T> : public GenericTraits<T> {
}; };
template<typename T> template<typename T>
requires(IsPointer<T>) struct Traits<T> : public GenericTraits<T> { requires(IsPointer<T> && !Detail::IsPointerOfType<char, T>) struct Traits<T> : public GenericTraits<T> {
static unsigned hash(T p) { return ptr_hash((FlatPtr)p); } static unsigned hash(T p) { return ptr_hash((FlatPtr)p); }
static constexpr bool is_trivial() { return true; } static constexpr bool is_trivial() { return true; }
}; };
@ -48,6 +50,13 @@ struct Traits<T> : public GenericTraits<T> {
static constexpr bool is_trivial() { return Traits<UnderlyingType<T>>::is_trivial(); } static constexpr bool is_trivial() { return Traits<UnderlyingType<T>>::is_trivial(); }
}; };
template<typename T>
requires(Detail::IsPointerOfType<char, T>) struct Traits<T> : public GenericTraits<T> {
static unsigned hash(T const value) { return string_hash(value, strlen(value)); }
static constexpr bool equals(T const a, T const b) { return strcmp(a, b); }
static constexpr bool is_trivial() { return true; }
};
} }
using AK::GenericTraits; using AK::GenericTraits;