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go/doc/progs/error2.go
unknown e9c57bea11 net/http,doc: use HTTP status code constants where applicable
There are a few places where the integer value is used.
Use the equivalent constants to aid with readability.

Change-Id: I023b1dbe605340544c056d0e0d9d6d5a7d7d0edc
GitHub-Last-Rev: c1c90bcd25
GitHub-Pull-Request: golang/go#24123
Reviewed-on: https://go-review.googlesource.com/96984
Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-02-26 05:04:31 +00:00

55 lines
1.2 KiB
Go

// Copyright 2011 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.
// This file contains the code snippets included in "Error Handling and Go."
package main
import (
"net/http"
"text/template"
)
func init() {
http.HandleFunc("/view", viewRecord)
}
func viewRecord(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
key := datastore.NewKey(c, "Record", r.FormValue("id"), 0, nil)
record := new(Record)
if err := datastore.Get(c, key, record); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if err := viewTemplate.Execute(w, record); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// STOP OMIT
type ap struct{}
func (ap) NewContext(*http.Request) *ctx { return nil }
type ctx struct{}
func (*ctx) Errorf(string, ...interface{}) {}
var appengine ap
type ds struct{}
func (ds) NewKey(*ctx, string, string, int, *int) string { return "" }
func (ds) Get(*ctx, string, *Record) error { return nil }
var datastore ds
type Record struct{}
var viewTemplate *template.Template
func main() {}