make_user.js

function make_user(role, name, password) {
  <some code that actually makes user>
}

//function make_user_with_role(role) {
//  function make_user_for_given_role(name, password) {
//    make_user(role, name, password)
//  }
//  return make_user_for_given_role;
//}
//
//... but if we could just use partial application (or use a curried function)... you could do this:
// make_admin = make_user_with_role(“admin”)
make_admin = _.partial(make_user, “admin”)
make_admin(“adz”, “pa$$word”)
make_admin(“rebecca” “$$ecret”)