package apptype ConfigSet struct {    installed bool}import (    "fmt"    "html/template"    "net/http")func init() {    config := ConfigSet{}    // -------------------------------------- //    //             CONFIGURATION              //    // -------------------------------------- //    // Change to "true" after configuration is done!    config.installed = false    // -------------------------------------- //    //           END CONFIGURATION            //    // -------------------------------------- //    http.HandleFunc("/", index)    http.HandleFunc("/index.php", index)}func index(w http.ResponseWriter, r *http.Request) {    if config.installed == false {        w.Header().Set("Location", "/install/")        return    }}我似乎無法弄清楚為什么這行不通。我得到的錯誤是：2012/05/21 13:22:01 go-app-builder: Failed parsing input (1 error)2012/05/21 13:22:01 /root/TravianGAE/app/app.go:7:1: expected declaration, found 'import'我不明白，我應該在那兒聲明什么嗎？