Usecase

gistfile1.coffee

class ServerSide
  createToken: (callback) =>
    # asynchronously get token from server and do:
    callback(token)

class SomeUsecase
  constructor: (@serverSide) ->

  execute: (name) =>
    @serverSide.createToken((token) => @doSmthWith(token, name))

  doSmthWith: (token, name) =>
    #blah