Error found:
in module Main
at tests/purs/failing/UnsupportedRoleDeclarationTypeSynonym.purs:7:1 - 7:20 (line 7, column 1 - line 7, column 20)

  Role declarations are only supported for data types, not for type synonyms nor type classes.


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