Scala 3/scala.ref

scala.ref

package scala.ref

Type members

Classlikes

class PhantomReference[+T <: AnyRef](value: T, queue: ReferenceQueue[T]) extends ReferenceWrapper[T]
trait Reference[+T <: AnyRef] extends () => T
See also

java.lang.ref.Reference

class ReferenceQueue[+T <: AnyRef]
@nowarn("cat=deprecation")
trait ReferenceWrapper[+T <: AnyRef] extends Reference[T] with Proxy
class SoftReference[+T <: AnyRef](value: T, queue: ReferenceQueue[T]) extends ReferenceWrapper[T]
Companion
object
object SoftReference

A companion object that implements an extractor for SoftReference values

A companion object that implements an extractor for SoftReference values

Companion
class
class WeakReference[+T <: AnyRef](value: T, queue: ReferenceQueue[T]) extends ReferenceWrapper[T]

A wrapper class for java.lang.ref.WeakReference The new functionality is (1) results are Option values, instead of using null.

A wrapper class for java.lang.ref.WeakReference The new functionality is (1) results are Option values, instead of using null. (2) There is an extractor that maps the weak reference itself into an option.

Companion
object
object WeakReference

An extractor for weak reference values

An extractor for weak reference values

Companion
class