add element iterators to async collections

src/equality-set.ts

@@ -111,6 +111,7 @@ export interface AsyncEqualitySet<T> extends Iterable<T> {
   contains(obj: T): Promise<boolean>;
   remove(obj: T): Promise<boolean>;
   clear(): void;
+  values(): IterableIterator<T>;
 }
 
 class NativeAsyncEqualitySet<T> implements AsyncEqualitySet<T> {
@@ -138,6 +139,10 @@ class NativeAsyncEqualitySet<T> implements AsyncEqualitySet<T> {
     this.#set.clear();
   }
 
+  values() {
+    return this.#set.values();
+  }
+
   [Symbol.iterator]() {
     return this.#set[Symbol.iterator]();
   }
@@ -192,6 +197,10 @@ class CustomAsyncEqualitySet<T> implements AsyncEqualitySet<T> {
     this.#list.length = 0;
   }
 
+  values() {
+    return this[Symbol.iterator]();
+  }
+
   [Symbol.iterator]() {
     return this.#list[Symbol.iterator]();
   }