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TFPExprFunctionCallBack procedure type

In unit fpExprPars

Callback procedure type for function evaluation

Declaration

pascal
TFPExprFunctionCallBack = procedure(var Result: TFPExpressionResult; 
 const Args: TExprParameterArray)

Arguments

Result

The result of the function callback

Args

The arguments passed to the function

Description

This procedural type defines the signature for callback procedures that can be used to implement custom function evaluation. It allows external code to provide function implementations that will be called during expression evaluation.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.