---
title: init()
framework: swift
role: symbol
role_heading: Initializer
path: swift/double/init()
---

# init()

## Declaration

```swift
init()
```

## See Also

### Infrequently Used Functionality

- [init(floatLiteral:)](swift/double/init(floatliteral:).md)
- [init(integerLiteral:)](swift/double/init(integerliteral:).md)
- [init(integerLiteral:)](swift/double/init(integerliteral:)-6hc7j.md)
- [Double.FloatLiteralType](swift/double/floatliteraltype.md)
- [Double.IntegerLiteralType](swift/double/integerliteraltype.md)
- [advanced(by:)](swift/double/advanced(by:).md)
- [distance(to:)](swift/double/distance(to:).md)
- [Double.Stride](swift/double/stride.md)
- [write(to:)](swift/double/write(to:).md)
- [hashValue](swift/double/hashvalue.md)