mmaped_value.rb in prometheus-client-mmap-0.13.0

- old
+ new

@@ -34,9 +34,13 @@
           write_value(@key, @value)
           @value
         end
       end
 
+      def decrement(amount = 1)
+        increment(-amount)
+      end
+
       def set(value)
         @mutex.synchronize do
           initialize_file if pid_changed?
 
           @value = value