chore: add int extension (#3)

.github/workflows/flutter_test.yml

@@ -1,4 +1,4 @@
-name: MAIN CI
+name: Main CI
 
 on:
   push:

README.md

@@ -13,7 +13,7 @@ and the Flutter guide for
 
 # helper_extension
 
-![testing workflow](https://github.com/ThomasDevApps/lottery/actions/workflows/flutter_test.yml/badge.svg)
+![testing workflow](https://github.com/ThomasDevApps/helper_extension/actions/workflows/flutter_test.yml/badge.svg)
 
 Packages containing a number of useful extensions not present by default.
 
@@ -33,6 +33,10 @@ Packages containing a number of useful extensions not present by default.
 
 - `firstLetterToUpperCase`
 
+## Int
+
+- `toList`
+
 ## Widget
 
 - `toFittedBox`

lib/src/helper_extension_int.dart

@@ -0,0 +1,15 @@
+extension HelperExtensionInt on int {
+  /// Function to convert a int to a List.
+  ///
+  ///```dart
+  /// final list = 3.toList();
+  /// print(list); // [0, 1, 2]
+  ///```
+  List<int> toList() {
+    final list = List<int>.empty(growable: true);
+    for (int i = 0; i < this; i++) {
+      list.add(i);
+    }
+    return list;
+  }
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: helper_extension
 description: A new Flutter project.
-version: 0.0.2
+version: 0.0.3
 
 environment:
   sdk: '>=3.1.3 <4.0.0'

test/helper_extension_int_test.dart

@@ -0,0 +1,18 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:helper_extension/src/helper_extension_int.dart';
+
+void main() {
+  group('Test toList', () {
+    test('Function return []', () {
+      expect(0.toList(), []);
+    });
+
+    test('Function return [0]', () {
+      expect(1.toList(), [0]);
+    });
+
+    test('Function return [0, 1, 2]', () {
+      expect(3.toList(), [0, 1, 2]);
+    });
+  });
+}