// makeRequest shim performs a generic request, checking for a positive outcome. // See simplehttp.MakeRequest for more details. func makeRequest(r *simplehttp.HTTPRequest, kind string, p simplehttp.Payload) (*simplehttp.HTTPResponse, error) { r.AddHeader("User-Agent", MailgunGoUserAgent) rsp, err := r.MakeRequest(kind, p) if (err == nil) && notGood(rsp.Code, expected) { return rsp, newError(r.URL, expected, rsp.Code) } return rsp, err }