Merge pull request #678 from nicolas-grekas/ret-type

Add some return types

src/Client.php

@@ -527,7 +527,7 @@ class Client implements ClientInterface, \IteratorAggregate
     }
 
     /**
-     * {@inheritdoc}
+     * @return \Traversable<string, static>
      */
     public function getIterator()
     {

src/Command/Processor/ProcessorChain.php

@@ -71,7 +71,7 @@ class ProcessorChain implements \ArrayAccess, ProcessorInterface
     /**
      * Returns an iterator over the list of command processor in the chain.
      *
-     * @return \ArrayIterator
+     * @return \Traversable<int, ProcessorInterface>
      */
     public function getIterator()
     {
@@ -89,7 +89,7 @@ class ProcessorChain implements \ArrayAccess, ProcessorInterface
     }
 
     /**
-     * {@inheritdoc}
+     * @return bool
      */
     public function offsetExists($index)
     {

src/Connection/Aggregate/PredisCluster.php

@@ -176,7 +176,7 @@ class PredisCluster implements ClusterInterface, \IteratorAggregate, \Countable
     }
 
     /**
-     * {@inheritdoc}
+     * @return int
      */
     public function count()
     {
@@ -184,7 +184,7 @@ class PredisCluster implements ClusterInterface, \IteratorAggregate, \Countable
     }
 
     /**
-     * {@inheritdoc}
+     * @return \Traversable<string|int, NodeConnectionInterface>
      */
     public function getIterator()
     {

src/Connection/Aggregate/RedisCluster.php

@@ -600,7 +600,7 @@ class RedisCluster implements ClusterInterface, \IteratorAggregate, \Countable
     }
 
     /**
-     * {@inheritdoc}
+     * @return int
      */
     public function count()
     {
@@ -608,7 +608,7 @@ class RedisCluster implements ClusterInterface, \IteratorAggregate, \Countable
     }
 
     /**
-     * {@inheritdoc}
+     * @return \Traversable<int, NodeConnectionInterface>
      */
     public function getIterator()
     {