Use rb_attr_get() for hidden ivar
rb_ivar_get() can issue an uninitialized ivar warning. We never want to issue warnings about hidden ivars as they are not actionable for users.
Use rb_attr_get() for hidden ivar
rb_ivar_get() can issue an uninitialized ivar warning. We never want to
issue warnings about hidden ivars as they are not actionable for users.