[Haskell-cafe] Information given by :info (Was: Some random newbie questions)

On Mon, 10 Jan 2005, John Hughes wrote:

What IS useful, right from the beginning, is the list of instances. What are Num types? Oh, integers and reals. What are Show types? Oh, pretty much everything. Particularly when debugging "missing instance" errors, this is just the information you need.

Good idea! What I also would like to see is the Haddock documentation string of a function printed by ":info" or some other command.