Error found:
in module Main
at tests/purs/failing/TransitiveDctorExportError.purs:2:1 - 4:15 (line 2, column 1 - line 4, column 15)

  An export for T requires the following data constructor to also be exported:

    B



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