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Is a list

Is a list ( list ) : Boolean

ParameterTypeDescription
listIntegerListRef value to be tested
Function resultBooleanTRUE if list is a hierarchical list FALSE if list is not a hierarchical list

Description

The Is a list command returns TRUE if the value you pass in list is a valid reference to a hierarchical list. Otherwise, it returns FALSE.

Example

See example for the CLEAR LIST command.

Properties

Command number621
Thread safe