接上边的例子，我们增加一个判断是否是工作日的方法：

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func checkWorkday(day int) {
    if day == Saturday || day == Sunday {
        fmt.Println("(〃'▽'〃), good weekend!")
    } else {
        fmt.Println("(灬ꈍ ꈍ灬)，it's workday!")
    }
}
intint
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type WeekDay int

const (
    Monday WeekDay = iota
    Tuesday
    Wednesday
    Thursday
    Friday
    Saturday
    Sunday
    weekDays
)
WeekDayWeekDay
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func checkWorkday(day WeekDay) {
    if day == Saturday || day == Sunday {
        fmt.Println("(〃'▽'〃), good weekend!")
    } else {
        fmt.Println("(灬ꈍ ꈍ灬)，it's workday!")
    }
}