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

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FRigVMSelectExprAST

An abstract syntax tree select expression represents a branch point for selecting between multiple values.

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Inheritance Hierarchy

FRigVMExprAST

FRigVMBlockExprAST

FRigVMNodeExprAST

FRigVMSelectExprAST

References

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

Syntax

class FRigVMSelectExprAST : public FRigVMNodeExprAST

Remarks

An abstract syntax tree select expression represents a branch point for selecting between multiple values. In C++ the branch is is the definition: switch case

Constructors

	Name	Description
	FRigVMSelectExprAST ( const FRigVMEntryExprAST& )	Disable copy constructor
	FRigVMSelectExprAST ( UObject* InSubject )	Default constructor (protected so that only parser can access it)

Destructors

	Name	Description
	~FRigVMSelectExprAST()	Virtual destructor

Functions

		Name	Description
	int32	GetConstantValueIndex()
	const FRigVM...	GetIndexExpr()
	const FRigVM...	GetResultExpr()
	const FRigVM...	GetValueExpr ( int32 InIndex )
	int32	NumValues()

Overridden from FRigVMExprAST

		Name	Description
	bool	IsA ( EType InType )	Overload of the type checking mechanism
	bool	IsConstant()	Returns true if this expressions is constant (non varying)

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