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- func makeRequest(method string, url string, cb func(error, io.ReadCloser)) {
- req, _ := http.NewRequest(method, url, nil)
- resp, err := http.DefaultClient.Do(req)
- if err != nil {
- cb(err, nil)
- } else {
- cb(err, resp.Body)
- }
- }
- func main() {
- makeRequest("GET", "http://ipinfo.io/json", func(err error, body io.ReadCloser) {
- defer body.Close()
- io.Copy(os.Stdout, body)
- })
- }
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