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SetInvalid

SetInvalid

%SetInvalid function

Function

The function invalidates (sets the Invalid attribute) the value given by the parameter while the value type remains unchanged.

Declaration

UNIVAL %SetInvalid( UNIVAL in expression )

Parameters

expression

Optional expression.

Note

The function may be used e.g. to invalidate any value.

Example

%SetInvalid(0)

Related topics

%IsNull