fm.common.GrowableCompat.scala Maven / Gradle / Ivy

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/*
 * Copyright 2022 Tim Underwood (https://github.com/tpunder)
 *
 * 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 fm.common

object GrowableCompat {
  type Growable[-A] = scala.collection.generic.Growable[A]
}

/**
 * Provides a compatibility layer between Scala 2.11/2.12 and 2.13/3.x
 */
trait GrowableCompat[-A] extends GrowableCompat.Growable[A] {
  // This matches the Scala 2.13/3.x implementation of Growable
  def addOne(elem: A): this.type

  // This implements the Scala 2.11/2.12 version of Growable
  @inline final override def += (elem: A): this.type = addOne(elem)

  def addAll(elems: BuilderCompat.TraversableOnceOrIterableOnce[A]): this.type = {
    elems.foreach{ addOne(_) }
    this
  }

  @inline final override def ++= (elems: BuilderCompat.TraversableOnceOrIterableOnce[A]): this.type = {
    addAll(elems)
  }

  def addAll(elems: TraversableOnce[A]): this.type = {
    elems.foreach{ addOne(_) }
    this
  }

  @inline final def ++= (elems: TraversableOnce[A]): this.type = {
    addAll(elems)
  }
}