Made fixes after review.

src/Composer/DependencyResolver/Rule.php

@@ -87,7 +87,7 @@ class Rule
         }
 
         for ($i = 0, $n = count($this->literals); $i < $n; $i++) {
-            if (!($this->literals[$i]->getId() === $rule->literals[$i]->getId())) {
+            if ($this->literals[$i]->getId() !== $rule->literals[$i]->getId()) {
                 return false;
             }
         }

tests/Composer/Test/DependencyResolver/RuleSetIteratorTest.php

@@ -39,8 +39,7 @@ class ResultSetIteratorTest extends \PHPUnit_Framework_TestCase
         $ruleSetIterator = new RuleSetIterator($this->rules);
 
         $result = array();
-        foreach ($ruleSetIterator as $rule)
-        {
+        foreach ($ruleSetIterator as $rule) {
             $result[] = $rule;
         }
 
@@ -58,8 +57,7 @@ class ResultSetIteratorTest extends \PHPUnit_Framework_TestCase
         $ruleSetIterator = new RuleSetIterator($this->rules);
 
         $result = array();
-        foreach ($ruleSetIterator as $key => $rule)
-        {
+        foreach ($ruleSetIterator as $key => $rule) {
             $result[] = $key;
         }