Formatting fixes and cleanup.

app/Support/Set.php

@@ -13,12 +13,12 @@ class Set implements \Countable
 
     public function __construct($items = [])
     {
-        foreach($items as $k => $v) {
+        foreach ($items as $k => $v) {
             $this->set($k, $v);
         }
     }
 
-    public function set($key, bool $value = true) : self
+    public function set($key, bool $value = true): self
     {
         if ($value) {
             $this->items[$key] = true;
@@ -29,40 +29,40 @@ class Set implements \Countable
         return $this;
     }
 
-    public function fill($array) : self
+    public function fill($array): self
     {
         $this->clear();
 
-        foreach($array as $k => $v) {
+        foreach ($array as $k => $v) {
             $this->set($k, $v);
         }
 
         return $this;
     }
 
-    public function has($key) : bool
+    public function has($key): bool
     {
         return isset($this->items[$key]);
     }
 
-    public function toggle($key) : self
+    public function toggle($key): self
     {
         $this->set($key, !$this->has($key));
         return $this;
     }
 
-    public function clear() : self
+    public function clear(): self
     {
         $this->items = [];
         return $this;
     }
 
-    public function all() : Collection
+    public function all(): Collection
     {
         return collect($this->items)->keys();
     }
 
-    public function count() : int
+    public function count(): int
     {
         return count($this->items);
     }