Readonlyvariant: "Any"The discriminant.
Readonlyvariant: "Elements"The discriminant.
Readonlypattern: PatternThe pattern the array's elements must match.
Readonlyvariant: "Length"The discriminant.
Readonlylength: IntervalThe interval the array's length must lie in.
A pattern over arrays: any array, an element pattern, or a length.