fix: deprecation warning of Implicitly marking parameters as nullable for PHP 8.4

Author: Machometec

lib/Async/Task.php

@@ -106,7 +106,7 @@ public function get_IsCompleted(): bool
         return !$this->generator->valid();
     }
 
-    public function start(TaskScheduler $taskScheduler = null): void
+    public function start(?TaskScheduler $taskScheduler = null): void
     {
         if ($this->status == TaskStatus::Running) {
             return;

lib/Command/CommandLine.php

@@ -131,7 +131,7 @@ public function invoke(array $args): void
 
         if ($input) {
             Console::$ForegroundColor = ConsoleColor::Red;
-            Console::writeline("Unrecognized command or argument '{$input}', try '--help' option for usage information.");
+            Console::writeLine("Unrecognized command or argument '{$input}', try '--help' option for usage information.");
             Console::resetColor();
             return;
         }

lib/Linq.php

@@ -91,7 +91,7 @@ public static function join(IEnumerable $enumerable, $innerCollection, Closure $
         return Enumerable::join($enumerable, $innerCollection, $outerSelector, $innerSelector, $resultSelector);
     }
 
-    public static function count(IEnumerable $enumerable, Closure $predicate = null): int
+    public static function count(IEnumerable $enumerable, ?Closure $predicate = null): int
     {
         $interfaces = class_implements($enumerable);
         if (in_array(IQueryable::class, $interfaces)) {
@@ -101,7 +101,7 @@ public static function count(IEnumerable $enumerable, Closure $predicate = null)
         return Enumerable::count($enumerable, $predicate);
     }
 
-    public static function max(IEnumerable $enumerable, Closure $predicate = null)
+    public static function max(IEnumerable $enumerable, ?Closure $predicate = null)
     {
         $interfaces = class_implements($enumerable);
         if (in_array(IQueryable::class, $interfaces)) {
@@ -111,7 +111,7 @@ public static function max(IEnumerable $enumerable, Closure $predicate = null)
         return Enumerable::max($enumerable, $predicate);
     }
 
-    public static function min(IEnumerable $enumerable, Closure $predicate = null)
+    public static function min(IEnumerable $enumerable, ?Closure $predicate = null)
     {
         $interfaces = class_implements($enumerable);
         if (in_array(IQueryable::class, $interfaces)) {

lib/Linq/Enumerable.php

@@ -68,19 +68,19 @@ public static function skip(IEnumerable $enumerable, int $offset): TakeEnumerabl
         return $take->skip($offset);
     }
 
-    public static function count(IEnumerable $enumerable, Closure $predicate = null): int
+    public static function count(IEnumerable $enumerable, ?Closure $predicate = null): int
     {
         $count = new CountEnumerable($enumerable);
         return $count->count($predicate);
     }
 
-    public static function max(IEnumerable $enumerable, Closure $predicate = null)
+    public static function max(IEnumerable $enumerable, ?Closure $predicate = null)
     {
         $count = new CountEnumerable($enumerable);
         return $count->max($predicate);
     }
 
-    public static function min(IEnumerable $enumerable, Closure $predicate = null)
+    public static function min(IEnumerable $enumerable, ?Closure $predicate = null)
     {
         $count = new CountEnumerable($enumerable);
         return $count->min($predicate);

lib/Linq/Enumerables/CountEnumerable.php

@@ -26,7 +26,7 @@ public function __construct(IEnumerable $enumerable)
         $this->enumerable = $enumerable;
     }
 
-    public function count(Closure $predicate = null): int
+    public function count(?Closure $predicate = null): int
     {
         $count = 0;
         foreach ($this->enumerable as $element) {
@@ -42,7 +42,7 @@ public function count(Closure $predicate = null): int
         return $count;
     }
 
-    public function max(Closure $predicate = null)
+    public function max(?Closure $predicate = null)
     {
         $value = null;
         foreach ($this->enumerable as $element) {
@@ -58,7 +58,7 @@ public function max(Closure $predicate = null)
         return $value;
     }
 
-    public function min(Closure $predicate = null)
+    public function min(?Closure $predicate = null)
     {
         $value = null;
         foreach ($this->enumerable as $element) {

lib/Linq/Enumerables/GroupEnumerable.php

@@ -23,7 +23,7 @@ class GroupEnumerable implements IEnumerable
     private array $array = [];
     private ?string $key;
 
-    public function __construct(IEnumerable $enumerable, string $key = null)
+    public function __construct(IEnumerable $enumerable, ?string $key = null)
     {
         $this->enumerable = $enumerable;
         $this->key = $key;

lib/Process.php

@@ -16,7 +16,7 @@ class Process
     private ?array $env;
     private $process;
 
-    public function __construct(?string $cwd = null, array $env = null)
+    public function __construct(?string $cwd = null, ?array $env = null)
     {
         $this->descriptors = [
             ["pipe", "r"],

lib/Text/StringBuilder.php

@@ -28,7 +28,7 @@ public function append(string $value): StringBuilder
         return $this;
     }
 
-    public function appendLine(string $value = null): StringBuilder
+    public function appendLine(?string $value = null): StringBuilder
     {
         $this->text .= $value . PHP_EOL;
         return $this;