[Haskell-cafe] ANN: has-0.4 Entity based records

[Luke Palmer]

On Tue, May 4, 2010 at 10:18 AM, HASHIMOTO, Yusaku <nonowarn at gmail.com> wrote:
> Hello,
>
> I'm pleased to announce the release of my new library, named "has",
> written to aim to ease pain at inconvinience of Haskell's build-in
> records.

Hmm, nice work, looks interesting.

> With the has, You can reuse accessors over records to write generic
> function, combine records with another.
>
> Repository is at GitHub: http://github.com/nonowarn/has
> Uploaded on Hackage: http://hackage.haskell.org/package/has
>
> So you can install this by "cabal install has"
>
> You can use the has in three steps (without counting installation).
>
> 1. Write {-# OPTIONS_GHC -fglasgow-exts #-} top of your code,

This is going out of style.  It would be nice to know specifically
what LANGUAGE extensions are necessary.

Luke