- Function ActiveCard(Identifier, Suffix)¶
ActiveCard¶
The function ActiveCard
returns the cardinality of active elements
in its identifier argument, or the cardinality of active elements of a
suffix of that identifier.
ActiveCard(
Identifier, ! (input) identifier reference
[Suffix] ! (optional) element in the set AllSuffixNames
)
Arguments¶
- Identifier
A reference to a set or an indexed identifier.
- Suffix
An element in the predefined set
AllSuffixNames
.
Return Value¶
If Identifier is a set, the function ActiveCard returns the number of active elements in Identifier. If Identifier is an indexed identifier, the function ActiveCard returns the number of nondefault values stored for Identifier. If Suffix is given, the number of nondefault values stored for the given suffix of Identifier.
Note
The ActiveCard
function cannot be applied to slices of indexed
identifiers. In such a case, you can use the Count
operator to count
the number of nondefault elements.
See also
The function Card
and Count
operator (see also Numerical Iterative Operators of
the Language Reference).