first5hours.swift

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

import UIKit

var asd = 1;

var qwe = "qwe \(asd)";

var asd2 = 1;
var ewr2 = 123;

var qwe2 = "qwe \(asd2 + ewr2)";

var qwe3 = "qwe \(String(asd2) + String(ewr2))";

var qwe4 = "qwe " + String(asd2) + String(ewr2);

var xcc:[String] = ["asd", "123", qwe2, String(asd2)];

var dic:[String:Int] = [
"asd": 234,
"qwe": 456,
"wer": 457
];

let a:Int?=23
let b:Int=23

xcc[3] = String(dic["wer"]!);
xcc.append(qwe3);

for el in xcc {
    print(el + "xxx");
}

xcc.count;

xcc.popLast();

xcc.capacity;

xcc.append("qwe");
xcc.append("345");

xcc.count;
xcc.capacity;
xcc.append("3ert");
xcc.append("dfsdf")
xcc.append("ewr34");
xcc.append("qwe22");

xcc.count;
xcc.capacity;

var intArray:[Int]=[Int]()
intArray.reserveCapacity(90)
intArray.capacity;

// usage???

switch b{
    case 234:
    print("yay!");
    default:
    print("boo");
}

var um:Int = 1;
var ah:Int = 1;
while um < 4 {
    ah *= um+um*um;
    um+=1;
}
print(um);
print(ah);

var m = 2;

repeat{
    print("lol");
    m += 1;
} while m < 4;

var t:Int = 1;
for i in 0..<5{
    t+=i;
}
print("toty: \(t)")

func sayhi(me:String) -> String {
    return "hi " + me;
}

sayhi(me:"burak"); // wooow


func sayhi2(_ me:String) -> String {
    return "hiiiyyy " + me;
}

sayhi2("burak"); // wooow 2

func calc(arr:[Int]) -> (sum:Int, mul:Int){
    var sum:Int = 0;
    var mul:Int = 1;
    var i:Int = 0;
    
    repeat {
        sum += arr[i];
        i+=1;
    } while i < arr.count;
    
    for a in arr {
        mul*=a;
    }
    return (sum, mul);
}

let res = calc(arr:[1,3,5,6,7]);

res.sum;
res.mul;

func funcinfunc (_ f:Int, _ s:Int) -> Int {
    func add() -> Int{
        return f + s;
    }
    func mult() -> Int{
        return f * s;
    }
    return mult() * add();
}

funcinfunc(4, 5);

func lol () -> ((String) -> String){
    func cap(_ rev:String) -> String{
        return rev.capitalized;
    }
    return cap;
}

lol()("xd");
enum asdEnum{
    case Success
    case AsDerror(message:String,code:Int)
    case xError(user:String)
}


var numbers:[Int] = [];
var i2 = 0;
repeat{
    numbers.append(i2);
    i2 += 1;
} while i2 < 20;

var numbers2 = numbers.map({(number:Int) -> Int in
    return number * 2;
});

numbers2;

numbers2.append(contentsOf: numbers);
let srted:[Int] =  numbers2.sorted {$0 < $1};

srted;


class Person {
    var name:String;
    let surname:String = "tokak";
    init() {
        print("xd lol");
        self.name = "burak";
    }
    func greet() -> String{
        return "hi " + name + " " + surname;
    }
}

let p = Person();
p.name;
p.surname;
p.greet();

// changable even tho p is const.
// But name is not.
p.name = "asd";
p.name;

/* CANT DO TTHIS.
p.surname = "lool";
p.surname;
*/

class Company {
    var phone:String = String(123123123);
    var contact: String {
        get {
            return "+" + phone;
        }
        set {
            phone = newValue;
            print("changing");
        }
    }
}

let c = Company();

print(c.contact);
c.contact = "213";
c.phone;


struct Shirt {
    var color:String;
    var size:String;
}

let qqq:Shirt = Shirt(color:"red", size:"xll");

print(qqq.color + " " + qqq.size);

var arrEl:[String] = ["asd", "sasd"];
var arrEl2:[Int] = [1,2,3];



func addElem<Item>(elem:Item, marr:[Item]) -> ([Item]){
    var arr:[Item] = [];
    arr.append(contentsOf: marr);
    arr.append(elem);
    return arr;
}

addElem(elem:"lool", marr:arrEl);

addElem(elem:5, marr:arrEl2);