28 lines
471 B
Go
28 lines
471 B
Go
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package main
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import (
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"log"
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"net"
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"net/http"
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)
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func createListener() (l net.Listener, close func()) {
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l, err := net.Listen("tcp", ":0")
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if err != nil {
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panic(err)
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}
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return l, func() {
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_ = l.Close()
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}
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}
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func main() {
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l, closer := createListener()
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defer closer()
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http.Handle("/", http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
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// handle like normal
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}))
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log.Println("listening at", l.Addr().(*net.TCPAddr).Port)
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http.Serve(l, nil)
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}
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