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pablf · Jun 30, 2024 · 57f28a2 · 57f28a2
1 parent 5cf8a4f
commit 57f28a2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/zio-schema-derivation/shared/src/main/scala-3/zio/schema/DeriveSchema.scala b/zio-schema-derivation/shared/src/main/scala-3/zio/schema/DeriveSchema.scala
@@ -360,7 +360,8 @@ private case class DeriveSchema()(using val ctx: Quotes) {
     val cases = typesAndLabels.map { case (tpe, label) => deriveCase[T](tpe, label, newStack) }
 
     val numParentFields: Int = TypeRepr.of[T].typeSymbol.declaredFields.length
-    val isSimpleEnum: Boolean = !TypeRepr.of[T].typeSymbol.children.map(_.declaredFields.length).exists( _ != 0 )
+    val childrenFields = TypeRepr.of[T].typeSymbol.children.map(_.declaredFields.length)
+    val isSimpleEnum: Boolean = childrenFields.forall( _ == 0 ) || childrenFields.forall( _ <= numParentFields )
     val hasSimpleEnumAnn: Boolean = TypeRepr.of[T].typeSymbol.hasAnnotation(TypeRepr.of[_root_.zio.schema.annotation.simpleEnum].typeSymbol)
 
     val docAnnotationExpr = TypeRepr.of[T].typeSymbol.docstring.map { docstring =>