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  3. TInlineValue

TInlineValue

A container type that houses an instance of BaseType in inline memory where it is MaxInlineSize.

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

References

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

Syntax

template<typename BaseType, uint16 DesiredMaxInlineSize, uint8 DefaultAlignment>  
class TInlineValue

Remarks

A container type that houses an instance of BaseType in inline memory where it is <= MaxInlineSize, or in a separate heap allocation where it's > MaxInlineSize.

Can be viewed as a TUniquePtr with a small allocation optimization.

Constructors

  Type Name Description
Public function   Default construction to an empty container
Public function  

TInlineValue ( T&& In
)

 Construction from any type relating to BaseType.
Public function   Move construction/assignment
Public function  

TInlineValue ( const TInlineValue& In
)

 Copy construction/assignment is disabled
Public function  

TInlineValue ( EInPlace,
ArgTypes&&... Args
)

 In-place construction of BaseType from a set of arguments.

Destructors

  Type Name Description
Public function   Destructor

Functions

  Type Name Description
Public function void

Emplace ( ArgsType&&... Args
)

 Emplace a new type (deriving from BaseType) into this inline value
Public function Const const BaseType &

Get ( const BaseType& Default
)

 Get the wrapped object, or a user-specified default
Public function Const BaseType *

GetPtr ( BaseType* Default
)

 Get a pointer the wrapped object, or a user-specified default
Public function Const BaseType & Access the wrapped object's base type
Public function Const bool

IsValid ()

 Check if this container is wrapping a valid object
Public function void *

Reserve ( uint32 InSize,
uint32 InAlignment
)

 Reserve space for a structure derived from BaseType, of the size and alignment specified .
Public function void

Reset ()

 Reset this container back to its empty state
Public function void

Reset ( TInlineValue&& In
)

 Reset this container to wrap a new type

Operators

  Type Name Description
Public function Const BaseType &  
Public function TEnableIf< TPointerIsConvertibleFromTo< typenameTDecay< T >::Type, BaseType >::Value, TInlineValue &...

operator= ( T&& In
)

 Move assignment from any type relating to BaseType.
Public function TInlineValue &

operator= ( const TInlineValue& In
)

  
Public function TInlineValue &  
Public function Const BaseType *  

Enums

  Type Name Description
Private enum API/Runtime/Core/Misc/TInlineValue_1 ~We cannot allow an allocation of less than the size of a pointer  

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