Error found: at tests/purs/failing/InvalidDerivedInstance2.purs:6:1 - 6:34 (line 6, column 1 - line 6, column 34) Cannot derive the type class instance    Data.Eq.Eq (Record ())   because the type    Record ()   is not of the required form T a_1 ... a_n, where T is a type constructor defined in the same module. See https://github.com/purescript/documentation/blob/master/errors/ExpectedTypeConstructor.md for more information, or to contribute content related to this error.