numOpen      int // number of opened and pending open connections
	// Used to signal the need for new connections
	// a goroutine running connectionOpener() reads on this chan and
	// maybeOpenNewConnections sends on the chan (one send per needed connection)
	// It is closed during db.Close(). The close tells the connectionOpener
	// goroutine to exit.
	openerCh          chan struct{}
	closed            bool

		val = Value{}
	}
	return
}

// Send sends x on the channel v.
// It panics if v's kind is not [Chan] or if x's type is not the same type as v's element type.
// As in Go, x's value must be assignable to the channel's element type.
func (v Value) Send(x Value) {
	v.mustBe(Chan)
	v.mustBeExported()
	v.send(x, false)
}

// internal send, possibly non-blocking.
// v is known to be a channel.

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