[web-devel] when we switch to aeson, perhaps a QQ for JSON..

[Greg Weber]

I agree that ToJson as is now is biased towards arrays. I have some code
like the below now. After we switch over we should make sure it is easy to
create key-value objects. Perhaps we will need a second ToJson that is
biased towards key-value objects instead of arrays.

documentToJson :: [Field] -> J.Value
documentToJson = jsonMap . map toAssoc

toAssoc :: Field -> (String, J.Value)
toAssoc (l := v) = (unpack l, toJson v)




On Wed, Mar 16, 2011 at 11:44 PM, Max Cantor <mxcantor at gmail.com> wrote:

> ToJson doesn't seem to be able to generate JSON objects (key/value maps).
>  Also, one problem that I've had with other generic JSON libs is that they
> dont give you enough control over the JSON structure.  So, you need to write
> your client code around a particular JSON structure which can be unwieldy at
> times.
>
> max
> On Mar 17, 2011, at 1:37 PM, Greg Weber wrote:
>
> > Are you using the ToJson converter? I don't think QQ offers much
> advantage over utilities that can automatically convert haskell data
> structures to JSON. I believe aeson comes with this functionality and also
> some generics functionality if you define a Data instance.
> >
> >
> http://hackage.haskell.org/packages/archive/json-enumerator/0.0.1/doc/html/Text-JSON-ToJson.html
> >
> > On Wed, Mar 16, 2011 at 8:32 PM, Max Cantor <mxcantor at gmail.com> wrote:
> > I know that the kickass yesod team is looking to change the json library
> to aeson.
> >
> > One nice feature would be quasi-quoting for the library like in the
> following library.
> >
> hackage.haskell.org/packages/archive/text-json-qq/0.2.0/doc/html/Text-JSON-QQ.html
> > _______________________________________________
> > web-devel mailing list
> > web-devel at haskell.org
> > http://www.haskell.org/mailman/listinfo/web-devel
> >
>
>
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