package wire

import "github.com/lucas-clemente/quic-go/internal/protocol"

// AckRange is an ACK range
type AckRange struct {
	First protocol.PacketNumber
	Last  protocol.PacketNumber
}

// Len returns the number of packets contained in this ACK range
func (r AckRange) Len() protocol.PacketNumber {
	return r.Last - r.First + 1
}