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• javaslangAdapters.kt

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org.jetbrains.kotlin.util.javaslang.javaslangAdapters.kt Maven / Gradle / Ivy

/*
 * 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.
 */

package org.jetbrains.kotlin.util.javaslang

import javaslang.Tuple2
import javaslang.control.Option

typealias ImmutableMap = javaslang.collection.Map
typealias ImmutableHashMap = javaslang.collection.HashMap
typealias ImmutableSet = javaslang.collection.Set
typealias ImmutableHashSet = javaslang.collection.HashSet
typealias ImmutableLinkedHashSet = javaslang.collection.LinkedHashSet

operator fun  Tuple2.component1(): T = _1()
operator fun  Tuple2<*, T>.component2(): T = _2()

fun  Option.getOrNull(): T? = getOrElse(null as T?)
fun  ImmutableMap.getOrNull(k: K): V? = get(k)?.getOrElse(null as V?)