Drop obsolete code

reactor/Core/src/jetbrains/mps/logic/reactor/util/IdHashSet.kt

@@ -1,78 +0,0 @@
-/*
- * Copyright 2014-2017 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 jetbrains.mps.logic.reactor.util
-
-import com.github.andrewoma.dexx.collection.DerivedKeyHashMap
-import com.github.andrewoma.dexx.collection.KeyFunction
-import com.github.andrewoma.dexx.collection.internal.base.AbstractSet
-
-@Deprecated("obsolete, avoid using in new code")
-class IdHashSet<E> : AbstractSet<E> {
-
-    companion object {
-
-        val EMPTY_SET = IdHashSet<Any>()
-
-        private fun <E> idkey(value: E) = System.identityHashCode(value)
-
-    }
-
-    var storage: DerivedKeyHashMap<Int, E>
-
-    constructor() {
-        this.storage = emptyStorage()
-    }
-
-    constructor(storage: DerivedKeyHashMap<Int, E>) {
-        this.storage = storage
-    }
-
-    constructor(copyFrom: Iterable<E>) {
-        this.storage = copyFrom.fold(emptyStorage()) { s, e -> s.put(idkey(e), e) }
-    }
-
-    override fun add(value: E): IdHashSet<E> = IdHashSet(storage.put(idkey(value), value))
-
-    override fun contains(value: E): Boolean = storage.containsKey(idkey(value))
-
-    override fun remove(value: E): IdHashSet<E> = IdHashSet(storage.remove(idkey(value)))
-
-    override fun iterator(): MutableIterator<E> = object: MutableIterator<E> {
-
-        val storageIt = storage.iterator()
-
-        override fun hasNext(): Boolean = storageIt.hasNext()
-
-        override fun next(): E = storageIt.next().component2()
-
-        override fun remove() {
-            throw UnsupportedOperationException()
-        }
-    }
-
-    private fun emptyStorage(): DerivedKeyHashMap<Int, E> {
-        return DerivedKeyHashMap(object : KeyFunction<Int, E> {
-            override fun key(value: E): Int = idkey(value)
-        })
-    }
-
-}
-
-@Suppress("UNCHECKED_CAST")
-fun <E> emptyIdSet(): IdHashSet<E> = IdHashSet.EMPTY_SET as IdHashSet<E>
-
-fun <E> singletonIdSet(e: E): IdHashSet<E> = emptyIdSet<E>().add(e)

reactor/Core/src/jetbrains/mps/logic/reactor/util/Iterables.kt

@@ -1,42 +0,0 @@
-/*
- * Copyright 2014-2017 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 jetbrains.mps.logic.reactor.util
-
-import java.util.*
-
-/**
- * @author Fedor Isakov
- */
-
-class LazyIterable<S, T>(val origin: List<S>, val map: (S) -> T) : Iterable<T> {
-
-    val mapped = arrayOfNulls<Any>(origin.size)
-
-    override fun iterator(): Iterator<T> = object: Iterator<T> {
-
-        var idx: Int = 0
-
-        override fun hasNext(): Boolean = idx < origin.size
-
-        override fun next(): T {
-            if (idx < origin.size && mapped[idx] == null) {
-                mapped[idx] = map(origin[idx])
-            }
-            return if (idx < origin.size) mapped[idx++] as T else  throw NoSuchElementException()
-        }
-    }
-}