fix warning. add explicit type (#353)

scalapb · Oct 19, 2023 · 7ee72fc · 7ee72fc
1 parent 465bf1b
commit 7ee72fc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sparksql-scalapb/src/main/scala/scalapb/spark/TypedEncoders.scala b/sparksql-scalapb/src/main/scala/scalapb/spark/TypedEncoders.scala
@@ -110,7 +110,8 @@ trait Implicits {
       ct: ClassTag[T]
   ): TypedEncoder[T] = new typedEncoders.EnumTypedEncoder[T]
 
-  implicit def byteStringTypedEncoder = typedEncoders.ByteStringTypedEncoder
+  implicit def byteStringTypedEncoder: TypedEncoder[ByteString] =
+    typedEncoders.ByteStringTypedEncoder
 
   implicit def typedEncoderToEncoder[T: ClassTag](implicit
       ev: TypedEncoder[T]