{!! Form::select('role_id', $roles, isset($dados->role_id) ? $dados->role_id : '', array('class' => 'form-control')) !!}
{!! Form::select('permission_id', $permissions, isset($dados->permission_id) ? $dados->permission_id : '', array('class' => 'form-control')) !!}
{!! Form::select('value', [false => 'Não', true => 'Sim'], '', array('class' => 'form-control')) !!}