JCL Help:TExprNode

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Class Hierarchy

TExprNode


Summary

A node in an expression DAG (directed acyclic graph).


Pascal

 public TExprNode = class(TObject);


Description

This is the abstract object from which all expression DAG nodes descend. TExprNodeFactory has responsibility for constructing the correct class and acts as a container for TExprNode descendant instances.


About

Unit

JclExprEval


Navigation

Donator

Barry Kelly


Notes

Don't construct TExprNode objects directly; call the methods of a TExprNodeFactory instance.


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