---
title: "ArgumentValue.double(_:)"
framework: evaluations
role: symbol
role_heading: Case
path: "evaluations/argumentvalue/double(_:)"
---

# ArgumentValue.double(_:)

A double-precision floating-point value.

## Declaration

```swift
case double(Double)
```

## See Also

### Values

- [ArgumentValue.string(_:)](evaluations/argumentvalue/string(_:).md)
- [ArgumentValue.int(_:)](evaluations/argumentvalue/int(_:).md)
- [ArgumentValue.bool(_:)](evaluations/argumentvalue/bool(_:).md)