3510.out

Error found:
in module [33mMain[0m
at tests/purs/failing/3510.purs:7:1 - 7:28 (line 7, column 1 - line 7, column 28)

  Type class instance head is invalid due to use of type
  [33m    [0m
  [33m  ()[0m
  [33m    [0m
  All types appearing in instance declarations must be of the form T a_1 .. a_n, where each type a_i is of the same form, unless the type is fully determined by other type class arguments via functional dependencies.

in type class instance
[33m              [0m
[33m  Data.Eq.Eq T[0m
[33m              [0m

See https://github.com/purescript/documentation/blob/master/errors/InvalidInstanceHead.md for more information,
or to contribute content related to this error.