co is similar to watt, but the main difference is that it only works with Promises. It requires that you convert callback functions to return Promises before you can call them, and it does not let you wrap generators with a callback API.
co is similar to watt, but the main difference is that it only works with Promises. It requires that you convert callback functions to return Promises before you can call them, and it does not let you wrap generators with a callback API.