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> Unreal Engine API Reference > Developer > RigVMDeveloper > RigVMCompiler > FRigVMLiteralExprAST

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FRigVMLiteralExprAST

An abstract syntax tree literal expression represents the definition of const memory for a single variable - vs a var expression which is mutable.

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Inheritance Hierarchy

FRigVMExprAST

FRigVMVarExprAST

FRigVMLiteralExprAST

References

Module	RigVMDeveloper
Header	/Engine/Source/Developer/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
Include	#include "RigVMCompiler/RigVMAST.h"

Syntax

class FRigVMLiteralExprAST : public FRigVMVarExprAST

Remarks

An abstract syntax tree literal expression represents the definition of const memory for a single variable - vs a var expression which is mutable. In C++ the literal expression is a literal declaration, for ex: const float PI = 3.14f; The literal expression references a pin from the model.

Constructors

	Name	Description
	FRigVMLiteralExprAST ( const FRigVMLiteralExprAST& )	Disable copy constructor
	FRigVMLiteralExprAST ( const FRigVMParserAST* InParse..., URigVMPin* InPin )	Default constructor (protected so that only parser can access it)

Destructors

	Name	Description
	~FRigVMLiteralExprAST()	Virtual destructor

Overridden from FRigVMExprAST

		Name	Description
	bool	IsA ( EType InType )	Overload of the type checking mechanism

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