From 3d7f45479ec372ca80d2baa5ba33e826cacc365f Mon Sep 17 00:00:00 2001
From: HikaruYasuda <yasuda.hikaru@gmail.com>
Date: Tue, 4 Dec 2018 10:33:00 +0900
Subject: [PATCH] fix: Macro methods are duplicated registration.

---
 src/Alias.php | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/Alias.php b/src/Alias.php
index f14bb12..4e73da5 100644
--- a/src/Alias.php
+++ b/src/Alias.php
@@ -357,14 +357,17 @@ class Alias
                 $properties = $reflection->getStaticProperties();
                 $macros = isset($properties['macros']) ? $properties['macros'] : [];
                 foreach ($macros as $macro_name => $macro_func) {
-                    // Add macros
-                    $this->methods[] = new Macro(
-                        $this->getMacroFunction($macro_func),
-                        $this->alias,
-                        $reflection,
-                        $macro_name,
-                        $this->interfaces
-                    );
+                    if (!in_array($macro_name, $this->usedMethods)) {
+                        // Add macros
+                        $this->methods[] = new Macro(
+                            $this->getMacroFunction($macro_func),
+                            $this->alias,
+                            $reflection,
+                            $macro_name,
+                            $this->interfaces
+                        );
+                        $this->usedMethods[] = $macro_name;
+                    }
                 }
             }
         }