gistfile1.txt

const x = 'hello!!!'
console.log(x)
const y = 42

type List = [first: string, second: string, third: number] 

const list: List = ['a', 'b', 3]

function describe <T> (value?: T) {
  console.log('The value is:', value)
}
describe()
describe()

function square (x: number) {
  return x * x
}

interface Car {
  model: string
  distance: number
  speed: number
  licenseHistory: List
}

const car: Car = {
  model: 'Prius',
  distance: 100,
  speed: 50,
  licenseHistory: ['a', 'b', 1]
}

class Airplane {
  engineCount: number
  maker: string

  constructor (engineCount: number, maker: string) {
    this.engineCount = engineCount
    this.maker = maker
  }
}
console.log(Airplane)


const airplane = new Airplane(2, 'Cessna') // Object
console.log(airplane.engineCount)
const squaredEngineCount = square(airplane.engineCount)