pool drop api

Author: nekufa

src/Pool.php

@@ -44,6 +44,13 @@ public function get($name)
         return $this->getMapper($name);
     }
 
+    public function drop($name)
+    {
+        if (array_key_exists($name, $this->mappers)) {
+            unset($this->mappers[$name]);
+        }
+    }
+
     public function getMapper($name)
     {
         if (array_key_exists($name, $this->mappers)) {

tests/PoolTest.php

@@ -19,6 +19,11 @@ public function test()
         $pool->register('test2', $mapper2);
         $this->assertSame($pool->get('test2'), $mapper2);
         $this->assertNotSame($pool->get('test2'), $mapper);
+
+        $this->assertCount(2, $pool->getMappers());
+
+        $pool->drop('test');
+        $this->assertCount(1, $pool->getMappers());
     }
 
     public function testDynamic()