Consolidate error types for unsupported array access

Author: rtheunissen

src/Map.php

@@ -1,6 +1,7 @@
 <?php
 namespace Ds;
 
+use Error;
 use OutOfBoundsException;
 use OutOfRangeException;
 use Traversable;
@@ -675,7 +676,6 @@ public function &offsetGet($offset)
         if ($pair) {
             return $pair->value;
         }
-
         throw new OutOfBoundsException();
     }
 

src/Queue.php

@@ -135,7 +135,7 @@ public function offsetSet($offset, $value)
         if ($offset === null) {
             $this->push($value);
         } else {
-            throw new OutOfBoundsException();
+            throw new Error();
         }
     }
 

src/Set.php

@@ -426,8 +426,7 @@ public function offsetSet($offset, $value)
             $this->add($value);
             return;
         }
-
-        throw new OutOfBoundsException();
+        throw new Error();
     }
 
     /**

src/Stack.php

@@ -140,7 +140,7 @@ public function offsetSet($offset, $value)
         if ($offset === null) {
             $this->push($value);
         } else {
-            throw new OutOfBoundsException();
+            throw new Error();
         }
     }