On 17 June 2011 16:19, 吴兴博 <wuxb45 at gmail.com> wrote: > I also tried to use 'import Text.Parsec ()' > It works, now I'm wondering does '()' really hide everything. Everything except type class instances. -- Ivan Lazar Miljenovic Ivan.Miljenovic at gmail.com IvanMiljenovic.wordpress.com