package main import "fmt" func main() { const ( Secure = 1 << iota // 0b001 Authn // 0b010 Ready // 0b100 ) ConnState := Secure | Authn // 0b011: Connection is secure and authenticated, but not yet Ready fmt.Printf(`Secure: 0x%x (0b%03b) Authn: 0x%x (0b%03b) ConnState: 0x%x (0b%03b) `, Secure, Secure, Authn, Authn, ConnState, ConnState) }