fixed transformation that was being forced evaluated isntead of lazy
fixed transformation that was being forced evaluated isntead of lazy

lucidfrontier45/ScalaFunctional,EntilZha/PyFunctional,ChuyuHsu/ScalaFunctional,EntilZha/PyFunctional,EntilZha/ScalaFunctional,EntilZha/ScalaFunctional,ChuyuHsu/ScalaFunctional,lucidfrontier45/ScalaFunctional