Day1.swift

//:> # Swift
//:
//: * Modern
//: * Objective-C Interoperability
//: * Open source
//: * Interactive Playgrounds
//:
//:> # Playgrounds
//:
//: * Live rendering of code you type
//: * Test pieces of code
//: * Good for education
//:
//: [Next](@next)
//variables and constants
//explicit types / type inference / Type conversions
//string interpolation
//simple optionals and unwrap them using if let, !, and ?
//mutable and immutable arrays
//if and switch
//loops with the for i in 0...n syntax
//functions that accept and return parameters
//Classes & Structs
//Enums
//Protocols + Extensions


let name = "Danny"
let age = 30

print("\(name) \(age)")

let numberString = "Hello"
let numberAsInt = Int(numberString)

if let number = numberAsInt {
    let addition = number + 30
}else{
    print("What did you pass in!!!")
}

let fruits = ["apples", "pear", "pineapple"]

fruits[0]

for fruit in fruits {
    let uppercase = fruit.uppercased()
    print("The fruit is \(uppercase)")
}

for index in 0..<fruits.count {
    let fruit = fruits[index]
    let uppercase = fruit.uppercased()
    print("The fruit is \(uppercase) at index \(index)")
}

let airports = [
    "YVR" : "Vancouver",
    "YYC" : "Calgary"
]

let airportName = airports["YVR"]

if fruits.count > 3 {
    print("inside a big fruits array")
}else if fruits.count < 5 {

}else{

}

let fruit = fruits[0]
let answer = "apples"

switch fruit {
case "apples":
    print("inside apples case")
case "apples2":
    print("inside apple2 case")
case answer:
    print("inside apple2 case")
default:
    print("in default case")
}

func printHello(name:String) -> String {
    return "Hello, \(name)"
}

let helloText = printHello(name: "Danny")
helloText

class Shape {
    var sides:Int

    init(sides:Int) {
        self.sides = sides
    }
}

let shape = Shape(sides: 9)
let shapeCopy = shape

shapeCopy.sides = 10

print("shape's number of sides is \(shape.sides)")
print("shape's number of sides is \(shapeCopy.sides)")


struct ShapeStruct {
    let sides:Int
}

let shapeStruct = ShapeStruct(sides: 9)
let shapeStructCopy = shapeStruct



print("shapeStruct's number of sides is \(shapeStruct.sides)")
print("shapeStructCopy's number of sides is \(shapeStructCopy.sides)")




enum Deck:String {
    case spades = "s"
    case hearts
    case diamonds
    
    func toPrettyString(){
        self.rawValue.uppercased()
    }
}

extension String {
    func prettyString(){
        
    }
}

var hello = "Hello"
hello.prettyString()