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[Bug] Duplicate keys are encoded in json #942

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bilal-fazlani opened this issue May 18, 2023 · 0 comments

bilal-fazlani commented May 18, 2023

import zio.json.*

@jsonDiscriminator("type")
sealed trait GithubIssue derives JsonCodec

@jsonHint("bug")
case class Bug(`type`: String, title: String) extends GithubIssue 

@main def reproduce = {
  val bug:GithubIssue = Bug("bug", "duplicate keys are added to json")
  val json = bug.toJson
  println(json)
}

This prints following

{"type":"bug","type":"bug","title":"duplicate keys are added to json"}

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