lib/nydp/builtin/ensuring.rb in nydp-0.3.0 vs lib/nydp/builtin/ensuring.rb in nydp-0.4.0

@@ -19,11 +19,10 @@
   def builtin_invoke vm, args
     fn_ensure = args.car
     fn_tricky = args.cdr.car
 
     protection_instructions = Nydp::Pair.from_list [InvokeProtection.new(fn_ensure), Nydp::PopArg]
-    vm.instructions.push protection_instructions
-    vm.contexts.push vm.current_context
+    vm.push_ctx_instructions protection_instructions
 
     fn_tricky.invoke vm, Nydp::NIL
   end
 end