doc: Update

mcmah309 · Dec 9, 2024 · 76d2826 · 76d2826
1 parent b284d98
commit 76d2826
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Showing 2 changed files with 7 additions and 6 deletions.
diff --git 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
@@ -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]);