---
title: "*(_:_:)"
framework: tabulardata
role: symbol
role_heading: Operator
path: "tabulardata/optionalcolumnprotocol/*(_:_:)-5f5kx"
---

# *(_:_:)

Generates a column by multiplying each element in an optional column type by the corresponding elements of another.

## Declaration

```swift
static func * (lhs: Self, rhs: Self) -> Column<Self.WrappedElement>
```

## Parameters

- `lhs`: An optional column type.
- `rhs`: Another optional column type.

## Return Value

Return Value A new column.

## See Also

### Generating an Optional Column by Multiplying Two Columns

- [*(_:_:)](tabulardata/*(_:_:)-2toor.md)
- [*(_:_:)](tabulardata/*(_:_:)-l9r3.md)