Hi,

I am trying to create outgoing (Elm -> JS) port, so far everything works as 
expected with this code:

port portName : String -> Cmd msg


But when I try to create port without parameters

port portName : Cmd msg


it doesen't provide helpful message

Port `portName` has an invalid type.


> 4| port portName : Cmd msg

   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

You are saying it should be:


>     Platform.Cmd.Cmd msg


> But you need to use the particular format described here:

<http://guide.elm-lang.org/effect_managers/>


> Detected errors in 1 module. 

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