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Unary

The following is a list of all the unary operators:

Symbol Example Explanation
- -a unary minus
+ +a unary plus (no-operation)
~ ~a * one's complement
! !a * logical negation
! a! * factorial
$ $3 * data column in `using` specifier
| |A| cardinality of array A

(*) Starred explanations indicate that the operator requires an integer argument.

The factorial operator returns an integer when N! is sufficiently small (N <= 20 for 64-bit integers). It returns a floating point approximation for larger values of N.

The cardinality operator |...| returns the number of elements |A| in array A. It returns the number of data lines |$DATA| when applied to datablock $DATA.