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go/doc/articles/wiki/final_test.go

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// Copyright 2019 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.
// +build ignore
package main
import (
"fmt"
"log"
"net"
"net/http"
)
func serve() error {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.Fatal(err)
}
fmt.Println(l.Addr().String())
s := &http.Server{}
return s.Serve(l)
}