Syntax

// StructToMap converts a struct into map[fieldName]=fieldValue.
// If field is array or slice then fieldValue is its length(don't care value).
// Each field of struct must be exported.
func StructToMap(in interface{}) map[string]string {
    ret := make(map[string]string)
    v := reflect.ValueOf(in)
    typ := v.Type()
    for i := 0; i < v.NumField(); i++ {
        f := v.Field(i)
        var s string
        switch f.Type().Kind() {
        case reflect.Slice, reflect.Array:
            s = fmt.Sprintf("%d", f.Len())
        default:
            s = fmt.Sprintf("%v", f.Interface())
        }
        ret[typ.Field(i).Name] = s
    }
    return ret
}

sc := make(chan os.Signal, 1)
quit := make(chan bool, 1)
signal.Notify(sc,
    syscall.SIGHUP,
    syscall.SIGINT,
    syscall.SIGTERM,
    syscall.SIGQUIT)

go func() {
    sig := <-sc
    fmt.Printf("Got signal [%d] to exit.\n", sig)
    close(quit)
}()
<-quit