> import GEq (equalNGRoseListInt)
> import NGRoseDatatype

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GEqGRose tests:
 * Multiple arguments (equality has two).
 * Support for datatypes with nesting in their higher kinded arguments

> main = print ( equalNGRoseListInt ngrose1 ngrose1
>              , equalNGRoseListInt ngrose1 ngrose2
>             )