update docs

README.md

@@ -28,47 +28,71 @@
 
 ---
 
-[*Example of usage*](https://tinyurl.com/2aj9lkwf):
+[*Example of usage*](https://tinyurl.com/2mknex43):
 ```js
-import 'core-js/actual'; // <- at the top of your entry point
+import 'core-js/actual';
 
-Array.from(new Set([1, 2, 3, 2, 1]));          // => [1, 2, 3]
-[1, 2, 3, 4, 5].group(it => it % 2);           // => { 1: [1, 3, 5], 0: [2, 4] }
-Promise.resolve(42).then(x => console.log(x)); // => 42
-structuredClone(new Set([1, 2, 3]));           // => new Set([1, 2, 3])
-queueMicrotask(() => console.log('called as microtask'));
+Promise.resolve(42).then(it => console.log(it)); // => 42
+
+Array.from(new Set([1, 2, 3]).union(new Set([3, 4, 5]))); // => [1, 2, 3, 4, 5]
+
+[1, 2].flatMap(it => [it, it]); // => [1, 1, 2, 2]
+
+(function * (i) { while (true) yield i++; })(1)
+  .drop(1).take(5)
+  .filter(it => it % 2)
+  .map(it => it ** 2)
+  .toArray(); // => [9, 25]
+
+structuredClone(new Set([1, 2, 3])); // => new Set([1, 2, 3])
 ```
 
 *You can load only required features*:
 ```js
-import 'core-js/actual/array/from';       // <- at the top of your entry point
-import 'core-js/actual/array/group';      // <- at the top of your entry point
-import 'core-js/actual/set';              // <- at the top of your entry point
-import 'core-js/actual/promise';          // <- at the top of your entry point
-import 'core-js/actual/structured-clone'; // <- at the top of your entry point
-import 'core-js/actual/queue-microtask';  // <- at the top of your entry point
+import 'core-js/actual/promise';
+import 'core-js/actual/set';
+import 'core-js/actual/iterator';
+import 'core-js/actual/array/from';
+import 'core-js/actual/array/flat-map';
+import 'core-js/actual/structured-clone';
 
-Array.from(new Set([1, 2, 3, 2, 1]));          // => [1, 2, 3]
-[1, 2, 3, 4, 5].group(it => it % 2);           // => { 1: [1, 3, 5], 0: [2, 4] }
-Promise.resolve(42).then(x => console.log(x)); // => 42
-structuredClone(new Set([1, 2, 3]));           // => new Set([1, 2, 3])
-queueMicrotask(() => console.log('called as microtask'));
+Promise.resolve(42).then(it => console.log(it)); // => 42
+
+Array.from(new Set([1, 2, 3]).union(new Set([3, 4, 5]))); // => [1, 2, 3, 4, 5]
+
+[1, 2].flatMap(it => [it, it]); // => [1, 1, 2, 2]
+
+(function * (i) { while (true) yield i++; })(1)
+  .drop(1).take(5)
+  .filter(it => it % 2)
+  .map(it => it ** 2)
+  .toArray(); // => [9, 25]
+
+structuredClone(new Set([1, 2, 3])); // => new Set([1, 2, 3])
 ```
 
 *Or use it without global namespace pollution*:
 ```js
-import from from 'core-js-pure/actual/array/from';
-import group from 'core-js-pure/actual/array/group';
-import Set from 'core-js-pure/actual/set';
 import Promise from 'core-js-pure/actual/promise';
+import Set from 'core-js-pure/actual/set';
+import Iterator from 'core-js-pure/actual/iterator';
+import from from 'core-js-pure/actual/array/from';
+import flatMap from 'core-js-pure/actual/array/flat-map';
 import structuredClone from 'core-js-pure/actual/structured-clone';
-import queueMicrotask from 'core-js-pure/actual/queue-microtask';
 
-from(new Set([1, 2, 3, 2, 1]));                // => [1, 2, 3]
-group([1, 2, 3, 4, 5], it => it % 2);          // => { 1: [1, 3, 5], 0: [2, 4] }
-Promise.resolve(42).then(x => console.log(x)); // => 42
-structuredClone(new Set([1, 2, 3]));           // => new Set([1, 2, 3])
-queueMicrotask(() => console.log('called as microtask'));
+Promise.resolve(42).then(it => console.log(it)); // => 42
+
+from(new Set([1, 2, 3]).union(new Set([3, 4, 5]))); // => [1, 2, 3, 4, 5]
+
+flatMap([1, 2], it => [it, it]); // => [1, 1, 2, 2]
+
+Iterator.from(function * (i) { while (true) yield i++; }(1))
+  .drop(1).take(5)
+  .filter(it => it % 2)
+  .map(it => it ** 2)
+  .toArray(); // => [9, 25]
+
+structuredClone(new Set([1, 2, 3])); // => new Set([1, 2, 3])
 ```
 
 ### Index