/
KProperties.kt
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/
KProperties.kt
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/*
* Copyright 2010-2017 JetBrains s.r.o.
*
* 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.
*/
@file:JvmName("KProperties")
package kotlin.reflect.full
import kotlin.reflect.KProperty1
import kotlin.reflect.KProperty2
import kotlin.reflect.jvm.internal.KPropertyImpl
/**
* Returns the instance of a delegated **extension property**, or `null` if this property is not delegated.
* Throws an exception if this is not an extension property.
*
* @see [KProperty1.getDelegate]
*/
@SinceKotlin("1.1")
fun KProperty1<*, *>.getExtensionDelegate(): Any? {
@Suppress("UNCHECKED_CAST")
return (this as KProperty1<Any?, *>).getDelegate(KPropertyImpl.EXTENSION_PROPERTY_DELEGATE)
}
/**
* Returns the instance of a delegated **member extension property**, or `null` if this property is not delegated.
* Throws an exception if this is not an extension property.
*
* @param receiver the instance of the class used to retrieve the value of the property delegate.
*
* @see [KProperty2.getDelegate]
*/
@SinceKotlin("1.1")
fun <D> KProperty2<D, *, *>.getExtensionDelegate(receiver: D): Any? {
@Suppress("UNCHECKED_CAST")
return (this as KProperty2<D, Any?, *>).getDelegate(receiver, KPropertyImpl.EXTENSION_PROPERTY_DELEGATE)
}