---
title: "+=(_:_:)"
framework: tabulardata
role: symbol
role_heading: Operator
path: "tabulardata/discontiguouscolumnslice/+=(_:_:)-1mzz0"
---

# +=(_:_:)

Modifies a column slice by adding a value to each element.

## Declaration

```swift
static func += (lhs: inout DiscontiguousColumnSlice<WrappedElement>, rhs: WrappedElement) where WrappedElement : AdditiveArithmetic
```

## Parameters

- `lhs`: A column slice.
- `rhs`: A value of the same type as the column’s elements.

## See Also

### Modifying a Column Slice with a Value

- [-=(_:_:)](tabulardata/discontiguouscolumnslice/-=(_:_:)-2yrui.md)
- [*=(_:_:)](tabulardata/discontiguouscolumnslice/*=(_:_:)-7gcqc.md)
- [/=(_:_:)](tabulardata/discontiguouscolumnslice/_=(_:_:)-1g0yb.md)
- [/=(_:_:)](tabulardata/discontiguouscolumnslice/_=(_:_:)-6i7hx.md)