Warning found:
in module Main
at tests/purs/warning/HiddenConstructorsNewtype.purs:2:1 - 8:44 (line 2, column 1 - line 8, column 44)

  An export for N hides data constructors but the type declares an instance of Data.Newtype.Newtype.
  Such instance allows to match and construct values of this type, effectively making the constructors public.


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