Kametrixom

// I really like this one

func doIt(inout s: D) {
	if case self = isUniquelyReferenced(&s),
		self.`self` = true where self {
		self.`self` = { [unowned x = [self, 7] as Self] n in
			print(x + n)
		} as () -> ()
	}
}

Kametrixom

// This one is quite tricky

let returnN = getReturnN()

func availableToIntCollection<C: CollectionType where C.Generator.Element == Int>(c: C) {}

availableToIntCollection([1, 2, 3].lazy.map(returnN))


var a : Int { returnN (n: 3) }

Kametrixom

// Do you like confusion? I like confusion. Make this compile. Some people may find it easier than others

_={${$1($0($2.0))($2.1)[{{({"\($0)"},0)}},{0}]()}}()({$0})(0)

Kametrixom

// Make this code compile without changing these lines 

func raw<T: RawRepresentable>(t: T) -> T.RawValue {
	return t.rawValue
}

let array : [E] = [.A(true), .B(1), .C("C")]

array.map(raw)

Kametrixom

protocol ContextError : ErrorType {
	mutating func addContext<T>(type: T.Type)
}

protocol Contextualizable {}
extension Contextualizable {
	func addContext(var error: ContextError) -> ContextError {
		error.addContext(self.dynamicType)
		return error
	}

Kametrixom

import Foundation
import XCPlayground

XCPSetExecutionShouldContinueIndefinitely()

func getAllEmojis(completion: String? -> ()) {
	let url = NSURL(string: "http://www.unicode.org/Public/UCD/latest/ucd/EmojiSources.txt")!
	NSURLSession.sharedSession().dataTaskWithURL(url) { data, response, error in
		guard let data = data where error == nil else {
			completion(nil)