HTTP POST in GO Lang throws error -


i trying make post request using in go lang. api url expecting username , password field passed in body. keep getting below error ?

i not sure doing wrong here ?

error

 url.values undefined (type string has no field or method values)

go function

func makehttppostreq(url string, username string, password string){      client := http.client{}     req, err := http.newrequest("post", url, url.values{"username": {username}, "password": {password}})     req.header.add("content-type", "application/x-www-form-urlencoded")      resp, err := client.do(req)     if err != nil {          fmt.println("unable reach server.")     } else {          body, _ := ioutil.readall(resp.body)          fmt.println("body=", string(body))     }  }

the argument makehttppostreq states url string treating struct url.values, error

has no field or method


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