foreach($student->sex() as $ind=>$val)

@foreach($student->sex() as $ind=>$val)
   <label class="radio-inline">
       <input type="radio" name='Student[sex]' value="{{$ind}}">{{$val}}
   </label>
@endforeach

控制器已经传过来$student 

然后就报错，求大神帮个忙