felipebweber

import CryptoKit
import Foundation
import CommonCrypto

struct Crypt {

            private static let secretKey = "s3cr3tKeY!" 

            static func deriveKey(timestamp: Int) throws -> SymmetricKey {
                let salt = "\(timestamp)".data(using: .utf8)!

felipebweber

import Foundation

let city = "Newcastle upon Tyne"

let addPercentEncoding = city.addingPercentEncoding(withAllowedCharacters: CharacterSet(charactersIn: " ").inverted)

print(addPercentEncoding) //("Newcastle%20upon%20Tyne")

felipebweber

let a = 1
let b = 7
let min = a<b ? a : b
let max = a>b ? a : b

print(min)
print(max)

felipebweber

let a = 1
let b = 7

let max: Int
if a > b {
    max = a
} else {
    max = b
}
print("Maior: \(max)")

felipebweber

let a = 1
let b = 7
let min: Int

if a < b {
    min = a
} else {
    min = b
}
print("Menor: \(min)")

felipebweber

let primeiroValorString = "20"
let segungoValorStrig = "2"

func somaGuardLet(um: String, dois: String) -> String{
    guard let primeiro = Double(um) else { return ""}
    guard let segundo = Double(dois) else { return ""}
    let soma = primeiro + segundo
    return String(soma)
}

felipebweber

let primeiroValorString = "20"
let segungoValorStrig = "3"
let primeiro = Double(primeiroValorString)
let segundo = Double(segungoValorStrig)
var soma = primeiro! + segundo!
print(soma)