IsDefined

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Predicates functions IsDefined

Contents

syntax

  • IsDefined(a)

definition

IsDefined(a) results in a boolean data item with values True for non null and False for null values of data item a.

applies to

since version

5.15

example

attribute<bool> IsDefined (ADomain) := IsDefined(A);
A(float32) IsDefinedA
0 True
null False
1000000 True
-2.5 True
99.9 True

ADomain, nr of rows = 5

see also

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