FValueId

A 12-byte value that uniquely identifies a value in the context that it was created.

Unreal Engine C++ API Reference > Developer > DerivedDataCache

References

   
Module DerivedDataCache
Header /Engine/Source/Developer/DerivedDataCache/Public/DerivedDataValueId.h
Include #include "DerivedDataValueId.h"

Syntax

struct FValueId  

Remarks

A 12-byte value that uniquely identifies a value in the context that it was created.

Constructors

Type Name Description
  FValueId () Construct a null ID.
  FValueId ( const ByteArray& Id ) Construct an ID from an array of 12 bytes.
  FValueId ( FMemoryView Id ) Construct an ID from a view of 12 bytes.
  FValueId ( const FCbObjectId& Id ) Construct an ID from a Compact Binary Object ID.

Functions

Type Name Description
FValueId FromHash ( const FIoHash& Hash ) Construct an ID from a non-zero hash.
FValueId FromName ( FUtf8StringView Name ) Construct an ID from a non-empty name.
FValueId FromName ( FWideStringView Name ) Construct an ID from a non-empty name.
const ByteAr... GetBytes () Returns a reference to the raw byte array for the ID.
FMemoryView GetView () Returns a view of the raw byte array for the ID.
bool IsNull () Whether this is null.
bool IsValid () Whether this is not null.
void Reset () Reset this to null.

Operators

Type Name Description
  operator FCbObjectId () Returns the ID as a Compact Binary Object ID.

Typedefs

Name Description
ByteArray  

Constants

Name Description
Null A null ID.

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