code: public function edit($id)
      {
          $user = $this->gateway->find($id);
          $roles = $this->role->lists('name', 'id');
  
          return view(
              'entrust-gui::users.edit',
              compact(
                  'user',
                  'roles'
              )
          );
    
      }
docs: Show the form for editing the specified resource.
  GET /roles/{id}/edit
  
  @param int $id
  
  @return Response