PcpMapExpression::Variable Class Reference

A Variable is a mutable memory cell that holds a value. More...

#include <mapExpression.h>

Public Member Functions
virtual const Value &	GetValue () const =0
	Return the current value.
virtual void	SetValue (Value &&value)=0
	Mutate the variable to have the new value.
virtual PcpMapExpression	GetExpression () const =0
	Return an expression representing the value of this variable.

Detailed Description

A Variable is a mutable memory cell that holds a value.

Changing a variable's value invalidates any expressions using that variable.

Definition at line 98 of file mapExpression.h.

Member Function Documentation

GetExpression()

virtual PcpMapExpression GetExpression ( ) const

pure virtual

Return an expression representing the value of this variable.

This lets you use the variable as a sub-term in other expressions.

GetValue()

virtual const Value & GetValue ( ) const

pure virtual

Return the current value.

SetValue()

virtual void SetValue ( Value &&  value )

pure virtual

Mutate the variable to have the new value.

This will also invalidate dependant expressions.

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The documentation for this class was generated from the following file:

• pxr/usd/pcp/mapExpression.h