---
title: "init(_:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/substring/init(_:)-1ip9z"
---

# init(_:)

Creates a new instance of a collection containing the elements of a sequence.

## Declaration

```swift
init<S>(_ elements: S) where S : Sequence, Self.Element == S.Element
```

## Parameters

- `elements`: The sequence of elements for the new collection.