// +build go1.8 package sftp import "sort" type responsePackets []responsePacket func (r responsePackets) Sort() { sort.Slice(r, func(i, j int) bool { return r[i].id() < r[j].id() }) } type requestPacketIDs []uint32 func (r requestPacketIDs) Sort() { sort.Slice(r, func(i, j int) bool { return r[i] < r[j] }) }