lib/rbbt/util/misc/development.rb in rbbt-util-5.13.31 vs lib/rbbt/util/misc/development.rb in rbbt-util-5.13.32

@@ -218,6 +218,29 @@
       total = ary.length
       p = random_sample_in_range(total, size)
       ary.values_at *p
     end
   end
+
+  def self.object_delta(*args)
+    res, delta = nil, nil
+    Thread.exclusive do
+      pre = Set.new
+      delta = Set.new
+
+      GC.start
+      ObjectSpace.each_object(*args) do |o|
+        pre.add o
+      end
+
+      res = yield
+
+      GC.start
+      ObjectSpace.each_object(*args) do |o|
+        delta.add o unless pre.include? o
+      end
+
+    end
+    Log.info "Delta: #{delta.inspect}" 
+    res
+  end
 end