Fix emptyIterator making invalid cast

gradle.properties

@@ -4,7 +4,7 @@ kotlin.code.style=official
 specifyKotlinAsDependency=false
 
 projectGroup=ru.dbotthepony.kommons
-projectVersion=3.1.2
+projectVersion=3.1.3
 
 guavaDepVersion=33.0.0
 gsonDepVersion=2.8.9

src/main/kotlin/ru/dbotthepony/kommons/collect/StreamyIterators.kt

@@ -2,6 +2,7 @@ package ru.dbotthepony.kommons.collect
 
 import ru.dbotthepony.kommons.util.KOptional
 import java.util.*
+import java.util.NoSuchElementException
 import java.util.function.Predicate
 import java.util.stream.Collector
 import java.util.stream.Stream
@@ -376,8 +377,22 @@ fun <T> Iterator<T>.maybe(): T? {
 		null
 }
 
+private object EmptyIterator : MutableIterator<Nothing> {
+	override fun hasNext(): Boolean {
+		return false
+	}
+
+	override fun next(): Nothing {
+		throw NoSuchElementException()
+	}
+
+	override fun remove() {
+		throw NoSuchElementException()
+	}
+}
+
 fun <T> emptyIterator(): MutableIterator<T> {
-	return emptyList<T>().iterator() as MutableIterator<T>
+	return EmptyIterator as MutableIterator<T>
 }
 
 fun <T> iteratorOf(value: T): Iterator<T> {