From 2f5c8fe2b4b5dd6e3154f9506b802d1f59ac0c35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Liljenga=CC=8Ard?= <alexander@paxxmedia.se>
Date: Tue, 31 May 2016 10:01:06 +0200
Subject: [PATCH] Removing unnecessary check for __toString()

---
 src/FactorGraphs/Factor.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/FactorGraphs/Factor.php b/src/FactorGraphs/Factor.php
index 582ba21..c6cb6cf 100644
--- a/src/FactorGraphs/Factor.php
+++ b/src/FactorGraphs/Factor.php
@@ -19,7 +19,7 @@ protected function __construct($name)
     }
 
     /**
-     * @return The log-normalization constant of that factor
+     * @return mixed The log-normalization constant of that factor
      */
     public function getLogNormalization()
     {
@@ -27,7 +27,7 @@ public function getLogNormalization()
     }
 
     /**
-     * @return The number of messages that the factor has
+     * @return int The number of messages that the factor has
      */
     public function getNumberOfMessages()
     {
@@ -102,6 +102,6 @@ protected function createVariableToMessageBindingWithMessage(Variable $variable,
 
     public function __toString()
     {
-        return ($this->_name != null) ? $this->_name : null;
+        return $this->_name;
     }
 }
\ No newline at end of file