Matrix1 Utility Plug-ins

# LOOKUP IS VALID

Syntax

Is valid = LOOKUP IS VALID ( Lookup id )

Description

This function is used to determine whether the 'current' pointer points to a key/value within the lookup table, or has advanced through them all and has run out of keys/values. It returns a value of 1 if pointing to a key/value, or 0 otherwise.

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