From 76d28266bebfb3acb237a475d3c1ef14091bc7c3 Mon Sep 17 00:00:00 2001
From: mcmah309 <dillonmcmahon79@gmail.com>
Date: Mon, 9 Dec 2024 17:26:26 +0000
Subject: [PATCH] doc: Update

---
 README.md                |  2 +-
 test/iter/iter_test.dart | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index ab86e8b..8c1afa0 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ void main() {
         break;
       case ["!", _]:
         answer.push(index);
-      case [_, "!"] when iter.peek().isNone():
+      case [_, "!"] when iter.peek() == null: // or `iter.peekOpt().isNone()`
         answer.push(index + 1);
     }
   }
diff --git a/test/iter/iter_test.dart b/test/iter/iter_test.dart
index 6ddf1b5..3f5c017 100644
--- a/test/iter/iter_test.dart
+++ b/test/iter/iter_test.dart
@@ -1160,19 +1160,20 @@ main() {
 
   test("Use case example 6", () {
     /// Get the index of every "!" in a string not followed by a "?"
-    List<int> answer = [];
-    String string = "kl!sd!?!";
+    final string = "kl!sd!?!";
+    Vec<int> answer = [];
     Peekable<(int, Arr<String>)> iter =
         string.chars().mapWindows(2, identity).enumerate().peekable();
+
     while (iter.moveNext()) {
       final (index, window) = iter.current;
       switch (window) {
         case ["!", "?"]:
           break;
         case ["!", _]:
-          answer.add(index);
-        case [_, "!"] when iter.peekOpt().isNone():
-          answer.add(index + 1);
+          answer.push(index);
+        case [_, "!"] when iter.peek() == null:
+          answer.push(index + 1);
       }
     }
     expect(answer, [2, 7]);