gen-test.js

var fs = require('fs');


function run(makeGenerator) {
  return function () {
    var generator = makeGenerator.apply(this, arguments);
    var continuable, sync, value;

    next();
    function next() {
      while (!(continuable = generator.send(value)).done) {
        continuable = continuable.value;
        sync = undefined;
        continuable(callback);
        if (sync === undefined) {
          sync = false;
          break;
        }
      }
    }
    function callback(err, val) {
      if (err) return generator.throw(err);
      value = val;
      if (sync === undefined) {
        sync = true;
      }
      else {
        next();
      }
    }
  }
}


run(function* () {
  console.log((yield fs.readFile.bind(fs, __filename)).toString());
  console.log("Done");
})();

output.log

nvm use v0.11.2-generators
node --harmony gen-test.js