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

[HASHIMOTO, Yusaku]

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.

Thanks!

>> 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.

Ah, yes. {-# LANGUAGE TypeFamilies #-} is enough for that literate
haskell file, But the has depends GHC's language extensions such as
UndecidableInstances, OverlappingInstances and TypeFamilies. But I'll
remove OPTIONS_GHC pragma from library codes. Thank you for your
suggestion.

-nwn