[Haskell-cafe] Re: Network.Socket Woes

Felipe Lessa felipe.lessa at gmail.com
Fri Mar 7 15:23:28 EST 2008

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?


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