Add mixed type

Author: Sevavietl

README.md

@@ -12,32 +12,32 @@ TypeGuard can validate:
 - Scalar types: `string`, `integer`, etc.:
 
 ```php
-(new \TypeGuard\Type('string'))->match('foo'); // => true
+(new \TypeGuard\Guard('string'))->match('foo'); // => true
 ```
 
 - Object types: `ArrayAccess`, `stdClass`, etc.:
 
 ```php
-(new \TypeGuard\Type('stdClass'))->match(new stdClass()); // => true
+(new \TypeGuard\Guard('stdClass'))->match(new stdClass()); // => true
 ```
 
 - Union types: `string|integer`:
 
 ```php
-$guard = new \TypeGuard\Type('string|integer');
+$guard = new \TypeGuard\Guard('string|integer');
 $guard->match('foo'); // => true
 $guard->match(1); // => true
 ```
 
 - Intersection types: `ArrayAccess&Countable`:
 
 ```php
-(new \TypeGuard\Type('ArrayAccess&Countable'))->match(new ArrayIterator()); // => true
+(new \TypeGuard\Guard('ArrayAccess&Countable'))->match(new ArrayIterator()); // => true
 ```
 
 - Optional types: `?string`:
 
 ```php
-(new \TypeGuard\Type('?string'))->match(null); // => true
+(new \TypeGuard\Guard('?string'))->match(null); // => true
 ```
 

src/Type.php

@@ -18,6 +18,10 @@ public function __construct(string $typeName)
      */
     public function match($parameter): bool
     {
+        if ('mixed' === $this->typeName) {
+            return true;
+        }
+
         $type = \gettype($parameter);
 
         return $type === 'object'

test/TypeTest.php

@@ -25,6 +25,10 @@ public function matchDataProvider(): array
             ['NULL', null, true],
             ['ArrayAccess', new \ArrayIterator, true],
             ['Countable', new \ArrayIterator, true],
+            ['mixed', 'foo', true],
+            ['mixed', 1, true],
+            ['mixed', null, true],
+            ['mixed', new \ArrayIterator, true],
         ];
     }
 }