lib/convenient_service/support/copyable.rb in convenient_service-0.6.0 vs lib/convenient_service/support/copyable.rb in convenient_service-0.7.0

@@ -18,11 +18,15 @@
       # @internal
       #   NOTE: Inline logic instead of private methods is used intentionally in order to NOT pollute the public interface.
       #   NOTE: This method is NOT likely to be ever changed, that is why inline logic is preferred over command classes in this particular case.
       #
       def copy(overrides: {})
-        overrides[:args] ||= {}
-        overrides[:kwargs] ||= {}
+        defaults = {args: {}, kwargs: {}}
+
+        ##
+        # IMPORTANT: Do not mutate `overrides`.
+        #
+        overrides = defaults.merge(overrides)
 
         ##
         # TODO: Refactor runtime `respond_to?`. Investigate before refactoring.
         #
         args =