Avoid warning about uninitialized ivar

Co-authored-by: Farid Zakaria <[email protected]>
ruby-concurrency · Jun 4, 2021 · 7e1dc82 · 7e1dc82
1 parent 8fa5b95
commit 7e1dc82
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/concurrent-ruby/concurrent/thread_safe/util/data_structures.rb b/lib/concurrent-ruby/concurrent/thread_safe/util/data_structures.rb
@@ -42,7 +42,7 @@ def self.make_synchronized_on_rbx(klass)
           private
 
           def _mon_initialize
-            @_monitor = Monitor.new unless @_monitor # avoid double initialisation
+            @_monitor ||= Monitor.new # avoid double initialisation
           end
 
           def self.new(*args)