Re: [Haskell-cafe] Does this typeclass have a name?

On Mon, Apr 21, 2014 at 07:09:13AM +0200, Bardur Arantsson wrote:

class Foo a e where foo :: e -> a -> a bar :: a [...] You have a sequence of "events" e_i and a starting value "bar" and can use the "foo" function to apply all events to that starting value

Do you *really* want a typeclass for this, rather than a value? Tom