Error found:
in module Foo
at tests/purs/failing/RequiredHiddenType.purs:3:1 - 9:6 (line 3, column 1 - line 9, column 6)

  An export for a requires the following to also be exported:

    A



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