They are close enough that people have produced tools like elm-servant that generates Elm code from Servant code.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;mattjbray&#x2F;servant-elm" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;mattjbray&#x2F;servant-elm</a>