2011/9/22 José Pedro Magalhães j...@cs.uu.nl:
Hi Bas,
On Thu, Sep 22, 2011 at 03:55, Bas van Dijk v.dijk@gmail.com wrote:
Hello,
I just used the new GHC generics together with the DefaultSignatures
extension to provide a default generic implementation for toJSON and
parseJSON in the
Hi José,
I have another related question: (Excuse me for the big email, I had
trouble making it smaller)
I discovered a bug in my code that converts a product into a JSON
value. I would like to convert products without field selectors into
Arrays (type Array = Vector Value) and products with
2011/9/22 Bas van Dijk v.dijk@gmail.com:
What would make all this much easier is if the meta-information of
constructors had a flag which indicated if it was a record or not.
Could this be added?
I just discovered the predicate:
-- | Marks if this constructor is a record
conIsRecord
2011/9/22 Bas van Dijk v.dijk@gmail.com:
I just discovered the predicate:
-- | Marks if this constructor is a record
conIsRecord :: t c (f :: * - *) a - Bool
I think this can solve my problem.
I think I have solved the bug now using conIsRecord. This is the new
implementation:
2011/9/22 Bas van Dijk v.dijk@gmail.com:
I will make an official ticket for this.
Done: http://hackage.haskell.org/trac/ghc/ticket/5499
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