[Haskell-cafe] Re: Network.Socket Woes

[Felipe Lessa]

On Fri, Mar 7, 2008 at 4:04 PM, Benedikt Schmidt <beschmi at gmail.com> wrote:
>  The PortNumber type is an instance of Num, so it works  if you do not
>  use the PortNum constructor.
>
>  Prelude Network.Socket> case 10162 :: PortNumber of PortNum p -> p
>  45607

Considering that PortNumber implements toEnum/fromEnum, why is PortNum
exported anyway?

-- 
Felipe.