yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

public actual fun <T> lazy(initializer: () -> T): Lazy<T> =
   SynchronizedLazyImpl(initializer)

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

override val value: T
   get() {
       val _v1 = _value
       if (_v1 !== UNINITIALIZED_VALUE) {
           @Suppress("UNCHECKED_CAST")
           return _v1 as T
       }

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

class Person {
    var address: String by Delegates.observable("not entered yet!") {
        property, oldValue, newValue ->
        // update all existing shipments
    }
}

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

protected void afterChange(@NotNull KProperty property, Object oldValue, Object newValue) {
	// update all existing shipments
}

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

public override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
   val oldValue = this.value
   if (!beforeChange(property, oldValue, value)) {
       return
   }
   this.value = value
   afterChange(property, oldValue, value)

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

var address: String by Delegates.vetoable("") {
       property, oldValue, newValue ->
   newValue.length > 14
}

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->
  
public final class Person$$special$$inlined$vetoable$1 extends ObservableProperty {

  protected boolean beforeChange(@NotNull KProperty property, Object oldValue, Object newValue) {
     Intrinsics.checkParameterIsNotNull(property, "property");
     String newValue = (String)newValue;
     String var10001 = (String)oldValue;
     int var7 = false;

yenerm

<!-- Copyright 2020 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

private class NotNullVar<T : Any>() : ReadWriteProperty<Any?, T> {
   private var value: T? = null

   public override fun getValue(thisRef: Any?, property: KProperty<*>): T {
       return value ?: throw IllegalStateException("Property ${property.name} should be initialized before get.")
   }

yenerm

<!-- Copyright 2019 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

override fun setValue(
   thisRef: Any?,
   property: KProperty<*>,
   value: String
) {
   if (thisRef is Person) {
       thisRef.updateCount++

yenerm

<!-- Copyright 2019 Google LLC.
SPDX-License-Identifier: Apache-2.0 -->

class ListWithTrash <T>(
   private val innerList: MutableList<T> = ArrayList<T>()
) : MutableCollection<T> by innerList {
   var deletedItem : T? = null
   override fun remove(element: T): Boolean {
       deletedItem = element
       return innerList.remove(element)