mv := reflect.ValueOf(m)
	it.Reset(mv)
}

func recv1(ch chan string) string { // ERROR "ch does not escape"
	v := reflect.ValueOf(ch)
	r, _ := v.Recv()
	return r.String()
}

func recv2(ch chan string) string { // ERROR "ch does not escape"
	v := reflect.ValueOf(ch)
	r, _ := v.TryRecv()
	return r.String()
}

- Processando dados:
  - Por exemplo, digamos que você receba um arquivo que deve passar por um processo lento, você pode retornar uma resposta de "Aceito" (HTTP 202) e processá-lo em segundo plano.

## Usando `BackgroundTasks`

		argidx := -1

		recv := fn.Type().(*types.Signature).Recv()
		if fn.Name() == "Unmarshal" && recv == nil {
			// "encoding/json".Unmarshal
			// "encoding/xml".Unmarshal
			// "encoding/asn1".Unmarshal
			switch fn.Pkg().Path() {
			case "encoding/json", "encoding/xml", "encoding/asn1":
				argidx = 1 // func([]byte, interface{})
			}
		} else if fn.Name() == "Decode" && recv != nil {

func fsend[T any](chan<- T) {}

func _() {
	var both chan int
	var recv <-chan int
	var send chan<-int

	fboth(both)
	fboth(recv /* ERROR "cannot use" */ )
	fboth(send /* ERROR "cannot use" */ )

	frecv(both)
	frecv(recv)
	frecv(send /* ERROR "cannot use" */ )

	fsend(both)
	fsend(recv /* ERROR "cannot use" */)
	fsend(send)
}

func ffboth[T any](func(chan T)) {}

    communication via send/recvs). In this case, users of ParallelExecute op
    must provide correct control dependencies between regions to guarantee
    correctness. Regions in ParallelExecute may include Resource ops.

    In the case where different regions include ops access the same resource,
    the users of the ParallelExecute op must provide mechanism (via send/recvs

// license that can be found in the LICENSE file.

package main

func main() {	
	c := make(chan bool, 1);
	select {
	case _ = <-c:
		panic("BUG: recv should not");
	default:
	}
	c <- true;
	select {
	case _ = <-c:
	default:
		panic("BUG: recv should");
	}

               const std::string& recv_device,
               tensorflow::uint64 send_device_incarnation);

// Return a RecvOp op `op_name` with the attributes `send_device`,
// `recv_device`, and `send_device_incarnation` set.
TFE_Op* RecvOp(TFE_Context* ctx, const std::string& op_name,
               const std::string& send_device, const std::string& recv_device,

func isTimeDotFormat(f *types.Func) bool {
	if f.Name() != "Format" || f.Pkg() == nil || f.Pkg().Path() != "time" {
		return false
	}
	// Verify that the receiver is time.Time.
	recv := f.Type().(*types.Signature).Recv()
	return recv != nil && analysisutil.IsNamedType(recv.Type(), "time", "Time")
}

func isTimeDotParse(f *types.Func) bool {
	return analysisutil.IsFunctionNamed(f, "time", "Parse")
}

  auto recv =
      builder.create<RecvOp>(loc, recv_result_type, token, channel_handle,
                             /*is_host_transfer=*/builder.getBoolAttr(true));

  SetFrontendAttributes(recv, index, key, result_type,
                        /*device_to_host=*/false, host_handler_name);

  SetOpSharding(recv, manual_sharding);

  result.replaceAllUsesWith(recv.getResult(0));

	for i := 0; i < iface.NumExplicitMethods(); i++ {
		m := iface.ExplicitMethod(i)
		recv := m.Type().(*types.Signature).Recv()
		if recv == nil {
			t.Errorf("%s: missing receiver type", m)
			continue
		}
		if recv.Type() != named {
			t.Errorf("%s: got recv type %s; want %s", m, recv.Type(), named)
		}
	}

	// check embedded interfaces (they are named, too)