async function

//Using function for promise
function withConstructor(num){
  return new Promise((resolve, reject) => {
    if (num === 0){
      resolve('zero');
    } else {
      resolve('not zero');
    }
  })
}

withConstructor(0)
  .then((resolveValue) => {
  console.log(` withConstructor(0) returned a promise which resolved to: ${resolveValue}.`);
})

// Write your code below:
//Using async function that will always return a promise (hence do not use the new keyword)
//Write async function to reproduce the functionality of withConstructor() above
async function withAsync(num){
    if (num === 0){
      return 'zero';
    } else {
      return 'not zero';
    }
}

withAsync(100)
  .then((resolveValue) => {
  console.log(` withAsync(100) returned a promise which resolved to: ${resolveValue}.`);
})

/*
Output will show:
$ node app.js
 withConstructor(0) returned a promise which resolved to: zero.
 withAsync(100) returned a promise which resolved to: not zero.
$
*/