Use mrb_true_or_false_value() / in obj_is_instance_of().

1 files changed, 4 insertions, 6 deletions

diff --git a/src/kernel.c b/src/kernel.c
index 0b8930653..cc7ed9b8c 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -543,14 +543,12 @@ static mrb_value
 obj_is_instance_of(mrb_state *mrb, mrb_value self)
 {
   mrb_value arg;
+  mrb_bool instance_of_p;
 
   mrb_get_args(mrb, "o", &arg);
-  if (mrb_obj_is_instance_of(mrb, self, mrb_class_ptr(arg))){
-    return mrb_true_value();
-  }
-  else {
-    return mrb_false_value();
-  }
+  instance_of_p = mrb_obj_is_instance_of(mrb, self, mrb_class_ptr(arg));
+
+  return mrb_true_or_false_value(instance_of_p);
 }
 
 static void