On 3/20/06, Ashley Yakeley <ashley at semantic.org> wrote: > Never as far as I can imagine. The 'a' parameter will be taken by a > phantom type. > <http://haskell.org/haskellwiki/Phantom_type> Now I don't recall, but is it allowed to do: data HasResolution a => Fixed a = ...? -- Taral <taralx at gmail.com> "You can't prove anything." -- Gödel's Incompetence Theorem