example of tj style task library

task.js

const fs = require('fs')

function task(fn) {
  const gen = fn()

  function step(err, res) {
    const ret = gen.next(res)
    if (ret.done) return
    ret.value(step)
  }

  step()
}

function read(path) {
  return (cb) => {
    fs.readFile(path, 'utf8', cb)
  }
}

task(function *() {
  const a = yield read('/root/.ssh/config')
  const b = yield read('bar.txt')
})

//https://medium.com/@tjholowaychuk/callbacks-vs-coroutines-174f1fe66127
//https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*
//https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/yield

https://github.com/yortus/asyncawait
https://github.com/laverdet/node-fibers