From bb6b273f3d8d38473cad7ce6f36c2c7b49e03ce6 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 21 Oct 2018 07:04:20 +0000
Subject: Add missing info for Mutex_m to the doc [Bug #13598]

* lib/mutex_m.rb: The #initialize method in a class that includes
  Mutex_m needs calling #super.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65270 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mutex_m.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/mutex_m.rb')

diff --git a/lib/mutex_m.rb b/lib/mutex_m.rb
index 19fe85b81c..555331edcc 100644
--- a/lib/mutex_m.rb
+++ b/lib/mutex_m.rb
@@ -25,10 +25,14 @@
 #   obj.extend Mutex_m
 #
 # Or mixin Mutex_m into your module to your class inherit Mutex instance
-# methods.
+# methods ---remember to call super() in your class initialize method.
 #
 #   class Foo
 #     include Mutex_m
+#     def initialize ...
+#       ...
+#       super()
+#     end
 #     # ...
 #   end
 #   obj = Foo.new
-- 
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