janodev

import UIKit

// this one doesn’t require a helper function

var label: UILabel = {
    $0.backgroundColor = .blue
    $0.text = "This is a playground"
    $0.textColor = .white
    $0.textAlignment = .center
    return $0

algal

import Darwin

/**
 Returns a lazy sequence that returns a String for every line of `file`.
 
 Example 1:
 // print all lines from a file
 let file = fopen(NSBundle.mainBundle().pathForResource("Cartfile", ofType: nil)!,"r")
 for line in lineGenerator(file) { print(line,separator: "", terminator: "") }
 fclose(file)

efirestone

//
//  Created by Eric Firestone on 3/22/16.
//  Copyright © 2016 Square, Inc. All rights reserved.
//  Released under the Apache v2 License.
//
//  Adapted from https://gist.github.com/blakemerryman/76312e1cbf8aec248167

import Foundation