com.rojoma.json.v3.util

OrJNull

sealed abstract class OrJNull[+T] extends AnyRef

A helper class primary for use with the interpolator. Import OrJNull.implicits._ to get an orJNull method on Option[T] which encodes the value using T's JsonEncode when it's Some and as JNull when it's None.

val x = Some(AnEncodableThing(...))
val y = Option.empty[AnEncodableThing]
json""" {
  x1 : ${x.orJNull},  // These two lines
  x2 : ?$x,           // encode the same way.
  y1 : ${y.orJNull},  // This one produces `null`.
  y2 : ?$y            // And this one is elided.
} """
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  1. new OrJNull()

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