Decode interfaces (.elmi, i.dat) and objects (.elmo, o.dat) from elm-stuff/
fetchElmi : String -> Cmd (Result Error ElmStuff.ELMI)
fetchElmi moduleName =
Http.get
{ url = "/elm-stuff/0.19.1/" ++ moduleName ++ ".elmi"
, expect = Http.expectBytes identity ElmStuff.elmi
}