// Copyright 2014 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Simple test: enumeration of type int starting at 0. package main import "fmt" type Day int const ( Monday Day = iota Tuesday Wednesday Thursday Friday Saturday Sunday ) func main() { ck(Monday, "Monday") ck(Tuesday, "Tuesday") ck(Wednesday, "Wednesday") ck(Thursday, "Thursday") ck(Friday, "Friday") ck(Saturday, "Saturday") ck(Sunday, "Sunday") ck(-127, "") ck(127, "") ckDayString(Sunday, "Sunday") ckDayString(Sunday, "sunday") } func ck(day Day, str string) { if fmt.Sprint(day) != str { panic("day.go: " + str) } } func ckDayString(day Day, str string) { d, err := DayString(str) if err != nil { panic("day.go: " + err.Error()) } if d != day { panic("day.go: " + str) } }