---
title: "+(_:)"
framework: swift
role: symbol
role_heading: Operator
path: "swift/uint128/+(_:)"
---

# +(_:)

Returns the given number unchanged.

## Declaration

```swift
static func + (x: Self) -> Self
```

## Return Value

Return Value The given argument without any changes.

## Discussion

Discussion You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21