---
title: "+(_:_:)"
framework: tabulardata
role: symbol
role_heading: Operator
path: "tabulardata/optionalcolumnprotocol/+(_:_:)-2qex0"
---

# +(_:_:)

Generates a column by adding each element in an optional column type to 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 Adding Two Columns

- [+(_:_:)](tabulardata/+(_:_:)-1i7oh.md)
- [+(_:_:)](tabulardata/+(_:_:)-3exmp.md)