---
title: "init(_:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/anysequence/init(_:)-25934"
---

# init(_:)

Creates a sequence whose makeIterator() method forwards to makeUnderlyingIterator.

## Declaration

```swift
init<I>(_ makeUnderlyingIterator: @escaping () -> I) where Element == I.Element, I : IteratorProtocol
```