More constructors for supplier map/list

src/main/kotlin/ru/dbotthepony/mc/otm/core/SupplierList.kt

@@ -1,5 +1,8 @@
 package ru.dbotthepony.mc.otm.core
 
+import java.util.function.Supplier
+import java.util.stream.Stream
+
 class SupplierList<T> : AbstractList<T> {
 	private val getters: Array<() -> T>
 
@@ -7,8 +10,17 @@ class SupplierList<T> : AbstractList<T> {
 		this.getters = Array(getters.size) { getters[it] }
 	}
 
-	constructor(getters: List<() -> T>) : super() {
-		this.getters = Array(getters.size) { getters[it] }
+	constructor(getters: Collection<() -> T>) : super() {
+		val iterator = getters.iterator()
+		this.getters = Array(getters.size) { iterator.next() }
+	}
+
+	constructor(getters: Stream<() -> T>) : super() {
+		this.getters = getters.toArray(::arrayOfNulls)
+	}
+
+	constructor(vararg getters: Supplier<T>) : super() {
+		this.getters = Array(getters.size) { getters[it]::get }
 	}
 
 	constructor(size: Int, provider: (Int) -> () -> T) {

src/main/kotlin/ru/dbotthepony/mc/otm/core/SupplierMap.kt

@@ -1,6 +1,7 @@
 package ru.dbotthepony.mc.otm.core
 
 import com.google.common.collect.ImmutableSet
+import java.util.stream.Stream
 
 class SupplierMap<K, T> : AbstractMap<K, T> {
 	override val entries: Set<Map.Entry<K, T>>
@@ -13,6 +14,10 @@ class SupplierMap<K, T> : AbstractMap<K, T> {
 		entries = ImmutableSet.copyOf(mValues.map { Entry(it.first, it.second) })
 	}
 
+	constructor(mValues: Stream<Pair<K, () -> T>>) : super() {
+		entries = mValues.map { Entry(it.first, it.second) }.collect(ImmutableSet.toImmutableSet())
+	}
+
 	constructor(mValues: Map<K, () -> T>) : super() {
 		entries = ImmutableSet.copyOf(mValues.map { Entry(it.key, it.value) })
 	}