zio.ChunkFactory.scala Maven / Gradle / Ivy

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/*
 * Copyright 2020-2024 John A. De Goes and the ZIO Contributors
 *
 * 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 zio

import zio.stacktracer.TracingImplicits.disableAutoTrace

import scala.collection.{IterableOnce, StrictOptimizedSeqFactory}
import scala.collection.mutable.Builder

private[zio] trait ChunkFactory extends StrictOptimizedSeqFactory[Chunk] {

  final def from[A](source: IterableOnce[A]): Chunk[A] =
    source match {
      case iterable: Iterable[A] => Chunk.fromIterable(iterable)
      case iterableOnce =>
        val chunkBuilder = ChunkBuilder.make[A]()
        iterableOnce.iterator.foreach(chunkBuilder.addOne)
        chunkBuilder.result()
    }
}