Write a basic view function. Without styling, it's impossible to see.

Go/Decoders.elm

@@ -1,11 +1,9 @@
 module Go.Decoders exposing (..)
 import Go.Types exposing (..)
+import Go.Util exposing (pair)
 import Json.Decode as Decode
 import Json.Decode.Pipeline exposing (decode, required)
 
-pair : a -> b -> (a, b)
-pair a1 a2 = (a1, a2)
-
 decodeIndex : Decode.Decoder Index
 decodeIndex = decode pair
     |> required "x" Decode.int