Compatibility layer for aeson
* decode etc. work as in aeson >=0.9
* but it is generalised to work in any monadthrow (that is extra)
* .:? works as in aeson <0.10
* .:! works as .:? in aeson ==0.10
* orphan instances fromjson day and fromjson localtime for aeson <0.10
this package provides a library for the haskell programming language. see http://www.haskell.org/ for more information on haskell.