Add test for constructing Writes with case class #1040
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Updated syntax in README to support Scala 3
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cchantep
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| val serialized = Json.stringify(Json.toJson(location)) | ||
| serialized.mustEqual("""{"lat":1.1,"long":2.2}""") | ||
| Json.fromJson[Location](Json.parse(serialized)).mustEqual(JsSuccess(location)) |
| @@ -246,19 +246,28 @@ import play.api.libs.functional.syntax._ | |||
| implicit val locationWrites: Writes[Location] = ( | |||
| (JsPath \ "lat").write[Double] and | |||
| (JsPath \ "long").write[Double] | |||
| )(unlift(Location.unapply)) | |||
| )(location => { | |||
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Snippets should show use cases for both versions
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Background
The syntax in the README for constructing Writes fails to compile in Scala 3:
This is due to the following change to case class unapply: https://docs.scala-lang.org/scala3/guides/migration/incompat-other-changes.html#explicit-call-to-unapply
Following the guidance from the migration guide pattern binding is used instead of call to unapply.
This PR fixes #1039 by updating the syntax in README to support Scala 3 and add new unit test.