Upgrade flutter

Author: AhmedLSayed9

.idea/libraries/Dart_Packages.xml

@@ -216,7 +216,7 @@ class DoubleLinkedList<T> extends Iterable<T> {
   }
 }
 
-class _LinkedListIterator<T> extends Iterator<T> {
+class _LinkedListIterator<T> implements Iterator<T> {
   _LinkedListIterator(this._current);
 
   Node<T>? _current;

data_structures/linked_list/doubly_linked_list.dart

@@ -227,7 +227,7 @@ class LinkedList<T> extends Iterable<T> {
   }
 }
 
-class _LinkedListIterator<T> extends Iterator<T> {
+class _LinkedListIterator<T> implements Iterator<T> {
   _LinkedListIterator(this._current);
 
   Node<T>? _current;

data_structures/linked_list/linked_list.dart

@@ -92,4 +92,4 @@ void main() {
     linkedList.push(1);
     expect(linkedList.isEmpty, false);
   });
-}
+}

data_structures/stack/linked_list_stack.dart

@@ -53,10 +53,10 @@ packages:
     dependency: "direct main"
     description:
       name: collection
-      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.1"
+    version: "1.17.2"
   convert:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: "direct dev"
     description:
       name: lints
-      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      sha256: "6b0206b0bf4f04961fc5438198ccb3a885685cd67d4d4a32cc20ad7f8adbe015"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.0"
   logging:
     dependency: transitive
     description:
@@ -309,26 +309,26 @@ packages:
     dependency: "direct dev"
     description:
       name: test
-      sha256: "3dac9aecf2c3991d09b9cdde4f98ded7b30804a88a0d7e4e7e1678e78d6b97f4"
+      sha256: "4f92f103ef63b1bbac6f4bd1930624fca81b2574464482512c4f0896319be575"
       url: "https://pub.dev"
     source: hosted
-    version: "1.24.1"
+    version: "1.24.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
+      sha256: daadc9baabec998b062c9091525aa95786508b1c48e9c30f1f891b8bf6ff2e64
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.1"
+    version: "0.5.2"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: "5138dbffb77b2289ecb12b81c11ba46036590b72a64a7a90d6ffb880f1a29e93"
+      sha256: "3642b184882f79e76ca57a9230fb971e494c3c1fd09c21ae3083ce891bcc0aa1"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.1"
+    version: "0.5.2"
   typed_data:
     dependency: transitive
     description:
@@ -378,4 +378,4 @@ packages:
     source: hosted
     version: "3.1.1"
 sdks:
-  dart: ">=2.19.3 <3.0.0"
+  dart: ">=3.0.0 <4.0.0"

pubspec.lock

@@ -4,12 +4,12 @@ version: 1.0.0
 repository: https://github.com/AhmedLSayed9/dart_algorithms_and_data_structures
 
 environment:
-  sdk: '>=2.19.3 <3.0.0'
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
   characters: ^1.3.0
-  collection: ^1.17.1
+  collection: ^1.17.2
 
 dev_dependencies:
-  lints: ^2.0.1
-  test: ^1.24.1
+  lints: ^2.1.0
+  test: ^1.24.2