[Haskell-cafe] aeson- deriveJSON error

Bas van Dijk v.dijk.bas at gmail.com
Sat Jan 26 15:34:19 CET 2013

On 26 January 2013 15:20, Bas van Dijk <v.dijk.bas at gmail.com> wrote:
> But in aeson-HEAD it has the following type:
>   deriveJSON :: Options -> Name -> Q [Dec]

Note that I'm currently working on extending the encoding Options record:

* I added a constructorNameModifier :: String -> String which is
applied to constructor names and is handy for lower-casing them for

* I extended the sumEncoding with a ObjectWithSingleField constructor
which causes a constructor to be encoded to an object with a single
field named after the constructor (modified by the
constructorNameModifier) and the value will be the contents of the

* I'm also modifying the GHC Generics code to take the encoding
Options into account.

This work is happening in my parameterize-generic-encoding-with-options branch:



More information about the Haskell-Cafe mailing list