sleep()
			}
		}
		<-sync

		go ssender(cs, sync)
		if buffer > 0 {
			<-sync
		}
		try = 0
	RecvString:
		for {
			select {
			case s = <-cs:
				break RecvString
			default:
				try++
				if try > maxTries {
					panic("ssender")
				}
				sleep()
			}
		}
		if s != "hello again" {
			panic("ssender value")
		}
		if buffer == 0 {
			<-sync
		}

func _Ranger[Elem any]() (*_Sender[Elem], *_Receiver[Elem]) {
	c := make(chan Elem)
	d := make(chan struct{})
	s := &_Sender[Elem]{
		values: c,
		done:   d,
	}
	r := &_Receiver[Elem]{
		values: c,
		done:   d,
	}
	runtime.SetFinalizer(r, (*_Receiver[Elem]).finalize)
	return s, r
}

// A _Sender is used to send values to a Receiver.
type _Sender[Elem any] struct {
	values chan<- Elem

func _Ranger[Elem any]() (*_Sender[Elem], *_Receiver[Elem]) {
	c := make(chan Elem)
	d := make(chan struct{})
	s := &_Sender[Elem]{
		values: c,
		done:   d,
	}
	r := &_Receiver[Elem]{
		values: c,
		done:   d,
	}
	runtime.SetFinalizer(r, (*_Receiver[Elem]).finalize)
	return s, r
}

// A _Sender is used to send values to a Receiver.
type _Sender[Elem any] struct {
	values chan<- Elem

John Howard <******@****.***> 1655951219 -0700

func Ranger[T any]() (*Sender[T], *Receiver[T]) {
	c := make(chan T)
	d := make(chan bool)
	s := &Sender[T]{values: c, done: d}
	r := &Receiver[T]{values: c, done: d}
	runtime.SetFinalizer(r, r.finalize)
	return s, r
}

// A sender is used to send values to a Receiver.
type Sender[T any] struct {
	values chan<- T
	done <-chan bool
}

// Send sends a value to the receiver. It returns whether any more

func Ranger[T any]() (*Sender[T], *Receiver[T]) {
	c := make(chan T)
	d := make(chan bool)
	s := &Sender[T]{values: c, done: d}
	r := &Receiver[T]{values: c, done: d}
	runtime.SetFinalizer(r, r.finalize)
	return s, r
}

// A sender is used to send values to a Receiver.
type Sender[T any] struct {
	values chan<- T
	done <-chan bool
}

// Send sends a value to the receiver. It returns whether any more

// the receiver stops reading them.
func Ranger[T any]() (*Sender[T], *Receiver[T]) {
	c := make(chan T)
	d := make(chan bool)
	s := &Sender[T]{values: c, done: d}
	r := &Receiver[T]{values: c, done: d}
	runtime.SetFinalizer(r, r.finalize)
	return s, r
}

// A sender is used to send values to a Receiver.
type Sender[T any] struct {
	values chan<- T
	done   <-chan bool
}

func Ranger[Elem any]() (*Sender[Elem], *Receiver[Elem]) {
	c := make(chan Elem)
	d := make(chan struct{})
	s := &Sender[Elem]{
		values: c,
		done:   d,
	}
	r := &Receiver[Elem]{
		values: c,
		done:   d,
	}
	runtime.SetFinalizer(r, (*Receiver[Elem]).finalize)
	return s, r
}

// A Sender is used to send values to a Receiver.
type Sender[Elem any] struct {
	values chan<- Elem

func Ranger[Elem any]() (*Sender[Elem], *Receiver[Elem]) {
	c := make(chan Elem)
	d := make(chan struct{})
	s := &Sender[Elem]{
		values: c,
		done:   d,
	}
	r := &Receiver[Elem]{
		values: c,
		done:   d,
	}
	runtime.SetFinalizer(r, (*Receiver[Elem]).finalize)
	return s, r
}

// A Sender is used to send values to a Receiver.
type Sender[Elem any] struct {
	values chan<- Elem

	"log"
	"net/smtp"
)

func Example() {
	// Connect to the remote SMTP server.
	c, err := smtp.Dial("mail.example.com:25")
	if err != nil {
		log.Fatal(err)
	}

	// Set the sender and recipient first
	if err := c.Mail("sender@example.org"); err != nil {
		log.Fatal(err)
	}
	if err := c.Rcpt("******@****.***"); err != nil {
		log.Fatal(err)
	}

	// Send the email body.
	wc, err := c.Data()