const ok    = async () => true
const fail  = async () => false
const run   = async (list: Array<() => Promise<boolean>>): Promise<boolean> => {
  for(let i = 0; i < list.length; i++) {
    let result = await list[i]()
    if(result) { return true }
  } return false
}
//--------------------------------------------------
// quiz: can you write this without async/await in
//       a clean and concise fashion?
//--------------------------------------------------
run([fail, fail, fail, fail, fail, ok]).then(result => {
  console.log(result)
})