gistfile1.txt

let diamonds: number = 10
function dig (getDug: (remaining: number) => number) {
  let dug = getDug(diamonds)
  diamonds -= dug
  return dug
}

function getOne () {
  return 1
}

function getHalf (remaining: number) {
  return remaining / 2
}

dig(getOne)
const dug = dig(getHalf)
console.log('dug', dug)
console.log('remaining', diamonds)