Make it compile with scala 2.12

json/src/main/scala-2.12/fs2/data/package.scala

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 Lucas Satabin
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package fs2
+
+import scala.collection.immutable.VectorBuilder
+import scala.collection.mutable.ListBuffer
+
+package object data {
+
+ implicit class VectorBuilderOps[T](val builder: VectorBuilder[T]) extends AnyVal {
+ def addOne(t: T) = builder += t
+ }
+
+ implicit class ListBufferOps[T](val buffer: ListBuffer[T]) extends AnyVal {
+ def addOne(t: T) = buffer += t
+ }
+
+}

json/src/main/scala/fs2/data/json/internal/ChunkAccumulator.scala

@@ -27,7 +27,7 @@ package internals
  * chunk under construction, but results still being built are kept.
  * This allows to accumulate values acros upstream chunk boundaries.
  */
-private[internals] trait ChunkAccumulator[Res] {
+private[json] trait ChunkAccumulator[Res] {
 
  def startObject(): this.type
 

json/src/main/scala/fs2/data/json/internal/LegacyTokenParser.scala

@@ -194,7 +194,7 @@ private[json] class LegacyTokenParser[F[_], T, Res](s: Stream[F, T])(implicit
  number_(context, state, acc, chunkAcc)
  case None =>
  if (NumberState.isFinal(state))
- Pull.pure(T.create(Stream.empty), chunkAcc.numberValue(acc.result()))
+ Pull.pure((T.create(Stream.empty), chunkAcc.numberValue(acc.result())))
  else
  Pull.raiseError[F](new JsonException("unexpected end of input"))
  }