package main type Bank int const ( Chase Bank = iota + 1 Citi Bank = iota + 1 UCCU Bank = iota + 1 BankOfAmerica Bank = iota + 1 Fidelity Bank = iota + 1 ) func (b Bank) String() string { switch b { case Fidelity: return "Fidelity" case BankOfAmerica: return "BankOfAmerica" case Chase: return "Chase" case Citi: return "Citi" case UCCU: return "UCCU" } return "?" }