scala.collection.SeqView.scala Maven / Gradle / Ivy
/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala
package collection
import generic._
import TraversableView.NoBuilder
/** A base trait for non-strict views of sequences.
* $seqViewInfo
*/
trait SeqView[+A, +Coll] extends SeqViewLike[A, Coll, SeqView[A, Coll]]
/** An object containing the necessary implicit definitions to make
* `SeqView`s work. Its definitions are generally not accessed directly by clients.
*/
object SeqView {
type Coll = TraversableView[_, C] forSome {type C <: Traversable[_]}
implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, SeqView[A, Seq[_]]] =
new CanBuildFrom[Coll, A, SeqView[A, Seq[_]]] {
def apply(from: Coll) = new NoBuilder
def apply() = new NoBuilder
}
}