Immutable
Missing immutable functions in Swift. You must be looking for somebody to make this library 
Features
- Non-mutating 
appending(),inserting(),removing()functions inCollection map()andflatMap()forDictionaryfilterNil()forCollectionandDictionary
Installation
- 
Using CocoaPods:
pod 'Immutable' - 
Using Carthage:
github "devxoul/Immutable" - 
Using Swift Package Manager:
let package = Package( name: "MyAwesomeProject", targets: [], dependencies: [ .Package(url: "https://github.com/devxoul/Immutable.git", majorVersion: 0) ] )
 
Requirements
- Swift 3
 
Contribution
Any discussions and pull requests are welcomed 
Use $ swift generate-xcodeproj to generate Xcode project for development.
License
Immutable is under MIT license. See the LICENSE for more info.