play-json-extensions | 22 field case class formatter | JSON Processing library
kandi X-RAY | play-json-extensions Summary
kandi X-RAY | play-json-extensions Summary
+22 field case class formatter and more for play-json
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QUESTION
I am having a case class that has more than 22 parameters.
...ANSWER
Answered 2019-Apr-23 at 12:05Consider adding a field in a new branch via JsPath.update
:
QUESTION
case class Foo(
_1:Int,_2:Int,_3:Int,_4:Int,_5:Int,
_21:Int,_22:Int,_23:Int,_24:Int,_25:Int,
_31:Int,_32:Int,_33:Int,_34:Int,_35:Int,
_41:Int,_42:Int,_43:Int,_44:Int,_45:Int,
_51:Int,_52:Int,_53:Int,_54:Int,_55:Int
)
...ANSWER
Answered 2017-Mar-09 at 14:48There's really 3 avenues for you to explore here:
- Write out each class explicitly yourself (yes, tons of boilerplate.)
- Do it with Macros or Shapeless.
- Use someone's library who already did #2.
I like it when someone else does the work for me. So with that in mind, #3 seems like my preferred solution... And what would you know? Someone else did just that: play-json-derived-codecs. Since it uses Shapeless, it will be able to handle case classses of arbitrary size, not just those constrained by ProductN (1-22, depending on your version of Scala.)
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