[Haskell-cafe] ANNOUNCE: uuid-1.2.6

[David Fox]

I was wondering about this:

  -- My goal with this instance was to make it work just enough to do what
  -- I want when used with the HStringTemplate library.
  instance Data UUID where
      toConstr uu  = mkConstr uuidType (show uu) [] (error "fixity")
      gunfold _ _  = error "gunfold"
      dataTypeOf _ = uuidType

Is there any reason not to just say "deriving Data" in the type declaration?

On Wed, Jun 13, 2012 at 8:59 PM, Antoine Latter <aslatter at gmail.com> wrote:

> Hi folks,
>
> I'm happy to announce a new point release of the uuid library, 1.2.6:
>
> http://hackage.haskell.org/package/uuid-1.2.6
>
> The 'uuid' package implements most of RFC 4122[1] including random
> generation and generation based on hardware MAC addresses.
>
> I haven't announced a point-release in a while. The changes since 1.2.1
> include:
>
> * When generating UUIDs from the hardware MAC address, if the MAC
> address is not available we now use a random seed for our (hidden,
> global) state machine
>
> * The 'Read' instance now drops leading spaces
>
> * Added the functions 'toWords' and 'fromWords', primary to support
> the package uuid-quasi[2].
>
> Take care,
> Antoine
>
> 1: http://tools.ietf.org/html/rfc4122
> 2: http://hackage.haskell.org/package/uuid-quasi
>
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