text: var router = require("koa-router")();
  
  router.prefix("/users");
  
  router.get("/", function* (next) {
    this.body = "this is a users response!";
  });
  
  router.get("/bar", function* (next) {
    this.body = "this is a users/bar response!";
  });
  
  module.exports = router;
  