SwiftStudies

import Foundation

public protocol BigData {
    static func cache(from path:String)->Self
}

extension String : BigData {
    public static func cache(from path: String) -> String {
        return (try? String(contentsOfFile: path)) ?? "Could not load"
    }

SwiftStudies

//: Playground - noun: a place where people can play

import Cocoa

func f1(x : Int) -> Int? {
    return (x == 3) ? 1 : 3
}

func f2(x : Int) -> Int? {
    if x < 0 || x > 3 {return nil}

SwiftStudies

//
//  IncrementalUpdateTests.swift
//
//  Copyright (c) 2015 Swift Studies. All rights reserved.
//

import Foundation
import XCTest

SwiftStudies

import Cocoa

// Only needed until we have class variables
var __SwizzleSayHello = { (who:String) -> String in
    return "Hello, \(who)"
}

class Swizzle {
    //Only needed until we have class variables
    class var _sayHello : (String)->String { get{ return __SwizzleSayHello } set (swizzle) {__SwizzleSayHello = swizzle} }