Re: [Haskell-beginners] How do I do inheritance in haskell?

Hi Dan, On Thu, May 08, 2014 at 11:58:28AM +0300, Dan Serban wrote:

newtype AskVolume = AskVolume Double deriving (Show) newtype AskPrice = AskPrice Double deriving (Show)

newtype BidVolume = BidVolume Double deriving (Show) newtype BidPrice = BidPrice Double deriving (Show)

I think that's a bit over the top, because why shouldn't prices and volumes be interchangeable between Asks and Bids? Greetings, Daniel