---
title: "map(_:)"
framework: swift-package-manager
role: symbol
role_heading: Instance Method
path: "swift-package-manager/documentation/packageplugin/filelist/map(_:)-36w3y"
---

# map(_:)

Inherited from Sequence.map(_:).

## Declaration

```swift
func map<T, E>(_ transform: (Self.Element) throws(E) -> T) throws(E) -> [T] where E : Error
```