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  3. FHashBuilder

FHashBuilder

Class for computing a hash of multiple types, going through GetTypeHash when the type implements it, and fallbacks to raw data hashing when the type doesn't.

API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Misc

References

   
Module Core
Header /Engine/Source/Runtime/Core/Public/Misc/HashBuilder.h
Include #include "Misc/HashBuilder.h"

Syntax

class FHashBuilder

Remarks

Class for computing a hash of multiple types, going through GetTypeHash when the type implements it, and fallbacks to raw data hashing when the type doesn't.

Note: this hash builder should be used for transient hashes, as some types implements run-dependent hash computations, such as GetTypeHash(FName).

Constructors

  Type Name Description
Public function  

FHashBuilder ( uint32 InHash
)

  

Functions

  Type Name Description
Public function FHashBuilder &

Append ( const T& InData
)

  
Public function FHashBuilder &

Append ( const TArray< T >& InArray
)

  
Public function FHashBuilder &

Append ( const TSet< T >& InSet
)

  
Public function FHashBuilder &

Append ( const TMap< T, U >& InMap
)

  
Public function TEnableIf< TIsPODType< T >::Value, FHashBuilder & >::Type

AppendRaw ( const T& InData
)

  
Public function FHashBuilder &

AppendRaw ( const void* Data,
int64 Num
)

  
Public function Const uint32

GetHash ()

  

Operators

  Type Name Description
Public function FHashBuilder &

operator<< ( const T& InData
)

  

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