array consumer

arrayConsumer.js

const coroutine = require('./coroutine');

var arr = [1,2,3,4,5,6,7,8,9,10];

function reader(target, i) {
  target.next(i);
};

const arrConsumer = coroutine(function* (target) {
  try {
    let index = yield;
    while (index < arr.length) {
      target.next(arr[index])
      index++;
    } 
  } finally {
    target.return();
    console.log('done')
  }
    
});

const printer = coroutine(function* () {
  while (true) {
    console.log(yield);
  }
});

reader(arrConsumer(printer()), 3);