FHashTable | Unreal Engine 5.7 Documentation


Name	FHashTable
Type	class
Header File	/Engine/Source/Runtime/Core/Public/Containers/HashTable.h
Include Path	#include "Containers/HashTable.h"

Syntax

class FHashTable

Name	Remarks	Include Path	Unreal Specifiers
FHashTable ( uint32 InHashSize, uint32 InIndexSize )		Containers/HashTable.h
FHashTable ( FHashTable&& Other )		Containers/HashTable.h
FHashTable ( const FHashTable& Other )		Containers/HashTable.h

Name	Remarks	Include Path	Unreal Specifiers
~FHashTable()		Containers/HashTable.h

Name	Type	Remarks	Include Path
EmptyHash	uint32	Avoids allocating hash until first add.	Containers/HashTable.h

Name	Remarks	Include Path
void Add ( uint32 Key, uint32 Index )		Containers/HashTable.h
void Add_Concurrent ( uint32 Key, uint32 Index )	Safe to call concurrently with other threads calling Add_Concurrent with different values for Index.	Containers/HashTable.h
float AverageSearch()	Average # of compares per search.	Containers/HashTable.h
void Clear ( uint32 InHashSize, uint32 InIndexSize )		Containers/HashTable.h
void Clear ()		Containers/HashTable.h
uint32 First ( uint32 Key ) const	Functions used to search.	Containers/HashTable.h
void Free()		Containers/HashTable.h
SIZE_T GetAllocatedSize()		Containers/HashTable.h
uint32 GetHashSize()		Containers/HashTable.h
uint32 GetIndexSize()		Containers/HashTable.h
bool IsValid ( uint32 Index ) const		Containers/HashTable.h
uint32 Next ( uint32 Index ) const	Next in hash chain.	Containers/HashTable.h
void Remove ( uint32 Key, uint32 Index )		Containers/HashTable.h
void Resize ( uint32 NewIndexSize )	Increases or decreases the size of the index but not the hash lookup.	Containers/HashTable.h

Name	Remarks	Include Path	Unreal Specifiers
FHashTable & operator= ( const FHashTable& Other )		Containers/HashTable.h
FHashTable & operator= ( FHashTable&& Other )		Containers/HashTable.h