FXxHash64 | Unreal Engine 5.8 Documentation

A 64-bit hash from XXH3.


Name	FXxHash64
Type	struct
Header File	/Engine/Source/Runtime/Core/Public/Hash/xxhash.h
Include Path	#include "Hash/xxhash.h"

Syntax

struct FXxHash64

Name	Type	Remarks	Include Path	Unreal Specifiers
Hash	uint64	The hash in its native representation.	Hash/xxhash.h

Name	Remarks	Include Path
void AppendString ( FString& Out ) const	Append the 16-character hex representation to the given string.	Hash/xxhash.h
void FromString ( FStringView Src )	Parse the hash from a 16-character hex string.	Hash/xxhash.h
bool IsZero()		Hash/xxhash.h
bool LoadFromCompactBinary ( const FCbFieldView& Field )		Hash/xxhash.h
void ToByteArray ( uint8(&) Bytes ) const	Store the hash to its canonical (big-endian) representation.	Hash/xxhash.h
FString ToString()	Convert the hash to a 16-character hex string.	Hash/xxhash.h
FCbWriter & WriteCompactBinary ( FCbWriter& Writer ) const		Hash/xxhash.h

Name	Remarks	Include Path
static FXxHash64 FromByteArray ( const uint8(&) Bytes )	Load the hash from its canonical (big-endian) representation.	Hash/xxhash.h
static int32 GetStringLen()		Hash/xxhash.h
static FXxHash64 HashBuffer ( FMemoryView View )		Hash/xxhash.h
static FXxHash64 HashBuffer ( const FCompositeBuffer& Buffer )		Hash/xxhash.h
static FXxHash64 HashBuffer ( const void* Data, uint64 Size )		Hash/xxhash.h
static FXxHash64 HashBufferChunked ( FMemoryView View, uint64 ChunkSize )	Hash the buffer in parallel in independent chunks, and hash those hashes.	Hash/xxhash.h
static FXxHash64 HashBufferChunked ( const void* Data, uint64 Size, uint64 ChunkSize )		Hash/xxhash.h

Name	Remarks	Include Path	Unreal Specifiers
bool operator!= ( const FXxHash64& B ) const		Hash/xxhash.h
bool operator== ( const FXxHash64& B ) const		Hash/xxhash.h