---
title: "init(_:format:lenient:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/binaryinteger/init(_:format:lenient:)-2qv61"
---

# init(_:format:lenient:)

## Declaration

```swift
init(_ value: String, format: IntegerFormatStyle<Self>, lenient: Bool = true) throws
```